Happiness! / Ayumi Murata
type: Release
catalogue number: ZMCZ-3040
title: はぴねす! / 村田 あゆみ
creator: Koichi Katayama
type: MusicAlbum
date published: 2006-10-25
created: 2006-10-25
by artist: Koichi Katayama

はぴねす! / 村田 あゆみ
name: Happiness! / Ayumi Murata
type: Performance

この青空に約束を― ～ようこそつぐみ寮へ～ The BEST vocal collection
creator: Koichi Katayama
by artist: Koichi Katayama
type: MusicAlbum
title: Kono Aozora ni Yakusoku wo― ~Youkoso Tsugumi-ryou e~ The BEST vocal collection
type: Release
created: 2008-01-25
date published: 2008-01-25
catalogue number: ZMCZ-3850

STEINS;GATE VOCAL BEST
created: 2013-06-26
date published: 2013-06-26
by artist: Koichi Katayama
catalogue number: FVCG-1246
creator: Koichi Katayama
type: Release
type: MusicAlbum

ChaosAttractor / Kanako Ito [Limited Edition]
by artist: Koichi Katayama
catalogue number: FVCG-1104
type: MusicAlbum
created: 2010-01-27
date published: 2010-01-27
creator: Koichi Katayama
type: Release

Que～エンシェントリーフの妖精～ Audio Collection
title: Que ~Fairy of Ancient Leaf~ Audio Collection @en
performer: Koichi Katayama
type: Performance
title: Que ~Ancient Leaf no Yousei~ Audio Collection
by artist: Koichi Katayama

PolePole! / 村田あゆみ
date published: 2008-07-30
creator: Koichi Katayama
type: MusicAlbum
catalogue number: FVCG-1036
name: PolePole! / Ayumi Murata
by artist: Koichi Katayama
created: 2008-07-30
type: Release

12RIVEN -the Ψcliminal of integral- Soundtrack
date published: 2009-04-16
type: MusicAlbum
created: 2009-04-16
type: Release
catalogue number: FPBD-0114
creator: Koichi Katayama
by artist: Koichi Katayama

Re:Set / Zwei
type: Composition

DOLPHIN☆JET / 彩音
title: DOLPHIN☆JET / Ayane
type: Performance

ARIA The NATURAL ~Tooi Yume no Mirage~ Soundtrack
date published: 2006-09-28
type: Release
name: ARIA The NATURAL ～遠い記憶のミラージュ～ サウンドトラック
creator: Koichi Katayama
catalogue number: FPBD-0003
by artist: Koichi Katayama
type: MusicAlbum
created: 2006-09-28

Remember11 -the age of infinity- SoundTrack
date published: 2009-04-16
by artist: Koichi Katayama
creator: Koichi Katayama
type: Release
created: 2009-04-16
type: MusicAlbum
catalogue number: FPBD-0113

レジリエンス ～Memories Off BEST～ / 彩音
type: Performance
name: Resilience ~Memories Off BEST~ / Ayane

Luminous Flux / 彩音
title: Luminous Flux / Ayane
type: Release
catalogue number: FVCG-1288
type: MusicAlbum
date published: 2014-01-29
by artist: Koichi Katayama
created: 2014-01-29
creator: Koichi Katayama

RASTER / いとうかなこ
title: RASTER / Kanako Ito
type: Performance

PS2ゲーム 『ARIA The ORIGINATION ～蒼い惑星のエルシエロ～』 主題歌 「graceful way」 「花ノ咲ク星」 「Il Cielo」
type: MusicAlbum
title: ARIA The ORIGINATION ~Il Cielo of the Blue Planet~ Theme Song CD 'graceful way' 'The Star Where Flowers Bloom' 'Il Cielo'
created: 2008-07-25
by artist: Koichi Katayama
creator: Koichi Katayama
catalogue number: FVCG-1035
type: Release
date published: 2008-07-25

Memories Off #5 とぎれたフィルム プレミアムコレクション1 Asuka (C.V.野川さくら)
type: Performance
title: Memories Off #5 Togireta Film Premium Collection 1 Asuka (C.V. Sakura Nogawa)

ChaosAttractor / Kanako Ito
type: Composition

ひぐらしのなく頃に祭オープニングテーマ 嘆きノ森
creator: Koichi Katayama
by artist: Koichi Katayama
catalogue number: VGCD-1006
name: Higurashi no Naku Koro ni Matsuri Opening Theme – Nageki no Mori
type: MusicAlbum
date published: 2007-02-22
type: Release
created: 2007-02-22

VECTOR / いとうかなこ
name: VECTOR / Kanako Ito
type: Composition

marble -Re Edition- / TOMOSUKE
type: Release
created: 2009-08-21
date published: 2009-08-21
type: MusicAlbum
by artist: Koichi Katayama
catalogue number: LC1785
creator: Koichi Katayama

RASTER / いとうかなこ
catalogue number: FVCG-1289
name: RASTER / Kanako Ito
type: MusicAlbum
type: Release
created: 2014-02-26
by artist: Koichi Katayama
date published: 2014-02-26
creator: Koichi Katayama

Remember11 -the age of infinity- SoundTrack
type: Composition

marble -Re Edition- / TOMOSUKE
type: Composition

STEINS;GATE VOCAL BEST
type: Composition

フェノグラム / 彩音
name: Phenogram / Ayane [with DVD]
performer: Koichi Katayama
type: Performance
by artist: Koichi Katayama

Ever17 -the out of infinity- Premium Edition SoundTrack
type: Composition

はぴねす! Vocal Collection
type: MusicAlbum
creator: Koichi Katayama
name: Happiness! Vocal Collection
created: 2007-05-16
date published: 2007-05-16
catalogue number: ZMCZ-3327
type: Release
by artist: Koichi Katayama

TVアニメ「ケンコー全裸系水泳部 ウミショー」サウンドトラック
name: Kenko Zenrakei Suieibu Umisho Soundtrack
type: Composition

12RIVEN -the Ψcliminal of integral- Soundtrack
type: Composition

Process cw:third bridge / KAORI.
name: プロセス cw:third bridge ／ KAORI.
type: Composition

Luminous Flux / Ayane
name: Luminous Flux / 彩音
type: Composition

Luminous Flux / 彩音
title: Luminous Flux / Ayane
type: Performance

ひぐらしのなく頃に祭 オリジナルサウンドトラック
title: Higurashi no Naku Koro ni Matsuri Original Soundtrack
type: Composition

Splash BLUE The Sun, with Lemonade / Ayumi Murata
name: Splash BLUE ~太陽とレモネード~ / 村田あゆみ
type: Performance

A.R. / いとうかなこ
type: Composition
title: A.R. / Kanako Ito

Ever17 -the out of infinity- Premium Edition SoundTrack
created: 2009-03-27
date published: 2009-03-27
creator: Koichi Katayama
catalogue number: FPBD-0112
type: MusicAlbum
by artist: Koichi Katayama
type: Release

Happiness! / Ayumi Murata
type: Composition
name: はぴねす! / 村田 あゆみ

re;stratosphere / KAORI [Limited Edition]
name: re;stratosphere / KAORI [初回限定盤]
type: Composition

VECTOR / いとうかなこ
title: VECTOR / Kanako Ito
catalogue number: FVCG-1180
created: 2011-10-26
type: Release
by artist: Koichi Katayama
date published: 2011-10-26
type: MusicAlbum
creator: Koichi Katayama

Que～エンシェントリーフの妖精～ Audio Collection
name: Que ~Fairy of Ancient Leaf~ Audio Collection @en
name: Que ~Ancient Leaf no Yousei~ Audio Collection
type: Composition

PolePole! / 村田あゆみ
title: PolePole! / Ayumi Murata
type: Performance

Luminous Flux / Ayane [with DVD]
title: Luminous Flux / 彩音
type: Composition

メモリーズオフ6 ～T-wave～ Audio Collection
type: Composition
title: Memories Off 6 ~T-wave~ Audio Collection

TVアニメ「はぴねす!」サウンドトラック
created: 2006-11-22
title: TV Anime "Happiness!" Soundtrack
date published: 2006-11-22
type: Release
by artist: Koichi Katayama
creator: Koichi Katayama
type: MusicAlbum
catalogue number: ZMCZ-3042

GRAVITY ERROR / 彩音
name: GRAVITY ERROR / ayane
type: Composition

Myself;Yourself Audio Tracks -for GAME-
type: Composition

RASTER / いとうかなこ
name: RASTER / Kanako Ito
type: Performance

明日へのキズナ / HIMEKA
title: Asu e no Kizuna / HIMEKA
type: MusicAlbum
by artist: Koichi Katayama
creator: Koichi Katayama
catalogue number: SICL-215
type: Release
created: 2009-05-27
date published: 2009-05-27

Myself;Yourself Ending Theme "Kimi to Yozora to Sakamichi to
catalogue number: VGCD-1021
date published: 2007-10-24
type: Release
created: 2007-10-24
type: MusicAlbum
by artist: Koichi Katayama
name: Myself;Yourself エンディングテーマ キミと夜空と坂道と / いとうかなこ
creator: Koichi Katayama

RASTER / Kanako Ito
title: RASTER / いとうかなこ
type: Composition

フェノグラム / 彩音
performer: Koichi Katayama
type: Performance
name: Phenogram / Ayane
by artist: Koichi Katayama

Konoaozora ni Yakusoku wo / KAORI
title: この青空に約束を / KAORI
type: Performance

cloudier sky / Ayane [Limited Edition]
type: Release
date published: 2008-01-25
catalogue number: ZMCZ-3910
creator: Koichi Katayama
by artist: Koichi Katayama
title: cloudier sky / 彩音
created: 2008-01-25
type: MusicAlbum

re;stratosphere / KAORI [初回限定盤]
date published: 2007-08-10
catalogue number: VGCD-50004
name: re;stratosphere / KAORI [Limited Edition]
by artist: Koichi Katayama
creator: Koichi Katayama
type: MusicAlbum
created: 2007-08-10
type: Release

フェノグラム / 彩音
title: Phenogram / Ayane
type: Release
catalogue number: FVCG-1239
created: 2013-05-29
type: MusicAlbum
by artist: Koichi Katayama
creator: Koichi Katayama
date published: 2013-05-29

A.R. / いとうかなこ
title: A.R. / Kanako Ito
by artist: Koichi Katayama
performer: Koichi Katayama
type: Performance

re;stratosphere / KAORI
type: Composition

Que～エンシェントリーフの妖精～ Perfect Vocal Collection
title: Que ~Fairy of Ancient Leaf~ Perfect Vocal Collection @en
title: Que ~Ancient Leaf no Yousei~ Perfect Vocal Collection
type: Performance

「STEINS;GATE」オーディオシリーズ ☆ラボメンナンバー007☆フェイリス・ニャンニャン(cv.桃井はるこ)
title: Steins;Gate Audio Series Laboratory Member 007 Faris Nyannyan
type: Composition

re;stratosphere / KAORI [初回限定盤]
title: re;stratosphere / KAORI [Limited Edition]
type: Performance

Higurashi no Naku Koro ni Matsuri Original Soundtrack
name: ひぐらしのなく頃に祭 オリジナルサウンドトラック
type: Performance

ribbon / After Rain
type: Composition

オカルティクスの魔女 / Ayumu
name: Occultics no Majo / Ayumu
type: Performance

エレファントノーシ/ 彩音
name: Elephant Notes / Ayane
type: Composition

Magical★Generation / Yui Sakakibara
type: Performance
name: マジカル★ジェネレーション / 榊原 ゆい

Splash BLUE The Sun, with Lemonade / Ayumi Murata
title: Splash BLUE ~太陽とレモネード~ / 村田あゆみ
type: Release
by artist: Koichi Katayama
type: MusicAlbum
creator: Koichi Katayama
date published: 2007-07-25
created: 2007-07-25
catalogue number: VGCD-1019

PolePole! / 村田あゆみ
name: PolePole! / Ayumi Murata
type: Composition

ChaosAttractor / Kanako Ito
performer: Koichi Katayama
by artist: Koichi Katayama
type: Performance

Re:Set / Zwei
type: Performance

AKABEiSOFT2&Sisters Vocal Collection
type: Composition

Kono Aozora ni Yakusoku wo― ~Youkoso Tsugumi-ryou e~ The BEST vocal collection
type: Composition
title: この青空に約束を― ～ようこそつぐみ寮へ～ The BEST vocal collection

Re:Set / Zwei
type: Performance

re;stratosphere / KAORI
created: 2007-08-10
type: Release
date published: 2007-08-10
type: MusicAlbum
catalogue number: VGCD-0094
by artist: Koichi Katayama
creator: Koichi Katayama

Que ~Ancient Leaf no Yousei~ Audio Collection
title: Que ~Fairy of Ancient Leaf~ Audio Collection @en
title: Que～エンシェントリーフの妖精～ Audio Collection
by artist: Koichi Katayama
creator: Koichi Katayama
date published: 2007-06-28
type: MusicAlbum
created: 2007-06-28
catalogue number: FPBD-0006
type: Release

ARIA The NATURAL ~Tooi Yume no Mirage~ Theme Song "Blue Blue Wave
created: 2006-10-06
date published: 2006-10-06
type: MusicAlbum
title: PS2用ソフト『ARIA The NATURAL～遠い記憶（ゆめ）のミラージュ』 主題歌 「BLUE BLUE WAVE」
type: Release
catalogue number: VGCD-1004
creator: Koichi Katayama
by artist: Koichi Katayama

Myself;Yourself Audio Tracks -for GAME-
type: Performance

「STEINS;GATE」オーディオシリーズ ☆ラボメンナンバー007☆フェイリス・ニャンニャン(cv.桃井はるこ)
name: Steins;Gate Audio Series Laboratory Member 007 Faris Nyannyan
performer: Koichi Katayama
type: Performance
by artist: Koichi Katayama

cloudier sky / 彩音
name: cloudier sky / Ayane [Limited Edition]
type: Performance

オカルティクスの魔女 / Ayumu
date published: 2009-11-26
type: MusicAlbum
title: Occultics no Majo / Ayumu
type: Release
by artist: Koichi Katayama
creator: Koichi Katayama
created: 2009-11-26
catalogue number: VGCD-1045

ARIA The NATURAL ～遠い記憶のミラージュ～ サウンドトラック
name: ARIA The NATURAL ~Tooi Yume no Mirage~ Soundtrack
type: Composition

オカルティクスの魔女 / Ayumu
type: Composition
name: Occultics no Majo / Ayumu

フェノグラム / 彩音
title: Phenogram / Ayane
type: Composition

レジリエンス ～Memories Off BEST～ / 彩音
title: Resilience ~Memories Off BEST~ / Ayane
type: Composition

PS2用ソフト『ARIA The NATURAL～遠い記憶（ゆめ）のミラージュ』 主題歌 「BLUE BLUE WAVE」
name: ARIA The NATURAL ~Tooi Yume no Mirage~ Theme Song "Blue Blue Wave
type: Composition

ガトー・ショコラ
title: gâteau au chocolat
type: Performance

マジカル★ジェネレーション / 榊原 ゆい
type: MusicAlbum
type: Release
title: Magical★Generation / Yui Sakakibara
creator: Koichi Katayama
created: 2006-10-25
catalogue number: ZMCZ-3041
date published: 2006-10-25
by artist: Koichi Katayama

Memories Off #5 とぎれたフィルム プレミアムコレクション1 Asuka (C.V.野川さくら)
type: MusicAlbum
date published: 2005-11-25
catalogue number: VGCD-0006
type: Release
name: Memories Off #5 Togireta Film Premium Collection 1 Asuka (C.V. Sakura Nogawa)
creator: Koichi Katayama
by artist: Koichi Katayama
created: 2005-11-25

TV Anime "Happiness!" Soundtrack
type: Performance
name: TVアニメ「はぴねす!」サウンドトラック

PS2ゲーム 『ARIA The ORIGINATION ～蒼い惑星のエルシエロ～』 主題歌 「graceful way」 「花ノ咲ク星」 「Il Cielo」
name: ARIA The ORIGINATION ~Il Cielo of the Blue Planet~ Theme Song CD 'graceful way' 'The Star Where Flowers Bloom' 'Il Cielo'
type: Performance

Remember11 -the age of infinity- SoundTrack
performer: Koichi Katayama
type: Performance
by artist: Koichi Katayama

Myself;Yourself Ending Theme "Kimi to Yozora to Sakamichi to
type: Composition
name: Myself;Yourself エンディングテーマ キミと夜空と坂道と / いとうかなこ

ARIA The NATURAL ~Tooi Yume no Mirage~ Soundtrack
performer: Koichi Katayama
type: Performance
name: ARIA The NATURAL ～遠い記憶のミラージュ～ サウンドトラック
by artist: Koichi Katayama

SWEET LOVER's Myself;Yourself Best Song Album
type: Performance

Luminous Flux / 彩音
catalogue number: FVCG-1287
title: Luminous Flux / Ayane [with DVD]
date published: 2014-01-29
created: 2014-01-29
type: MusicAlbum
creator: Koichi Katayama
by artist: Koichi Katayama
type: Release

VECTOR / Kanako Ito
type: Performance
title: VECTOR / いとうかなこ

Hoshizora e no Monologue / Kicco
type: Composition
title: Monologue to a Starry Sky / Kicco @en
name: 星空へのモノローグ / Kicco

marble / TOMOSUKE
performer: Koichi Katayama
by artist: Koichi Katayama
type: Performance

VECTOR / いとうかなこ
name: VECTOR / Kanako Ito [Limited Edition]
by artist: Koichi Katayama
performer: Koichi Katayama
type: Performance

Amaranthine / いとうかなこ
performer: Koichi Katayama
title: Amaranthine / Kanako Ito
by artist: Koichi Katayama
type: Performance

Steins;Gate Audio Series Laboratory Member 007 Faris Nyannyan
title: 「STEINS;GATE」オーディオシリーズ ☆ラボメンナンバー007☆フェイリス・ニャンニャン(cv.桃井はるこ)
by artist: Koichi Katayama
creator: Koichi Katayama
type: Release
date published: 2010-11-24
type: MusicAlbum
created: 2010-11-24
catalogue number: FVCG-1127

'&'-空の向こうで咲きますように- サウンドトラック
type: Composition
title: '&' -Sora no Mukou de Sakimasu You ni- Soundtrack

Re:Set / Zwei
created: 2013-04-24
by artist: Koichi Katayama
date published: 2013-04-24
creator: Koichi Katayama
type: Release
catalogue number: FVCG-1232
type: MusicAlbum

ChaosAttractor / Kanako Ito [Limited Edition]
type: Performance
by artist: Koichi Katayama
performer: Koichi Katayama

Splash BLUE ~太陽とレモネード~ / 村田あゆみ
type: Composition
title: Splash BLUE The Sun, with Lemonade / Ayumi Murata

エレファントノーシ/ 彩音
name: Elephant Notes / Ayane
type: Performance

SWEET LOVER's Myself;Yourself Best Song Album
type: Composition

PS2用ソフト『ARIA The NATURAL～遠い記憶（ゆめ）のミラージュ』 主題歌 「BLUE BLUE WAVE」
name: ARIA The NATURAL ~Tooi Yume no Mirage~ Theme Song "Blue Blue Wave
type: Performance

STEINS;GATE VOCAL BEST
type: Performance
performer: Koichi Katayama
by artist: Koichi Katayama

この青空に約束を / KAORI
catalogue number: ZMCZ-3325
name: Konoaozora ni Yakusoku wo / KAORI
type: Release
creator: Koichi Katayama
by artist: Koichi Katayama
created: 2007-04-25
date published: 2007-04-25
type: MusicAlbum

'&'-空の向こうで咲きますように- サウンドトラック
type: Release
title: '&' -Sora no Mukou de Sakimasu You ni- Soundtrack
created: 2012-04-25
date published: 2012-04-25
creator: Koichi Katayama
catalogue number: FVCG-1195
type: MusicAlbum
by artist: Koichi Katayama

エレファントノーシ/ 彩音
type: MusicAlbum
title: Elephant Notes / Ayane
creator: Koichi Katayama
by artist: Koichi Katayama
type: Release
catalogue number: FVCG-1037
date published: 2008-08-06
created: 2008-08-06

AKABEiSOFT2&Sisters Vocal Collection
created: 2015-04-24
date published: 2015-04-24
type: MusicAlbum
catalogue number: DIFE-1025
type: Release
creator: Koichi Katayama
by artist: Koichi Katayama

メモリーズオフ6 ～T-wave～ Audio Collection
created: 2008-08-21
title: Memories Off 6 ~T-wave~ Audio Collection
by artist: Koichi Katayama
date published: 2008-08-21
type: MusicAlbum
catalogue number: FVGK-0011
creator: Koichi Katayama
type: Release

ChaosAttractor / Kanako Ito
type: Release
catalogue number: FVCG-1105
created: 2010-01-27
creator: Koichi Katayama
type: MusicAlbum
date published: 2010-01-27
by artist: Koichi Katayama

ribbon / After Rain
by artist: Koichi Katayama
type: Performance
performer: Koichi Katayama

塞塵のパンドラ ／ 野川さくら
title: Sokujin no Pandora / Sakura Nogawa
type: Composition

明日へのキズナ / HIMEKA
type: Composition
title: Asu e no Kizuna / HIMEKA

Higurashi no Naku Koro ni Matsuri Original Soundtrack
type: MusicAlbum
catalogue number: FPBD-0004
date published: 2007-02-22
by artist: Koichi Katayama
creator: Koichi Katayama
title: ひぐらしのなく頃に祭 オリジナルサウンドトラック
type: Release
created: 2007-02-22

TVアニメ「ケンコー全裸系水泳部 ウミショー」The BEST vocal collection
type: Release
catalogue number: VGCD-0138
title: TV Anime "Kenko Zenrakei Suieibu Umisho" The BEST vocal collection
type: MusicAlbum
creator: Koichi Katayama
by artist: Koichi Katayama
created: 2008-04-23
date published: 2008-04-23

VECTOR / Kanako Ito [Limited Edition]
title: VECTOR / いとうかなこ
catalogue number: FVCG-1179
type: Release
creator: Koichi Katayama
by artist: Koichi Katayama
date published: 2011-10-26
created: 2011-10-26
type: MusicAlbum

Magical★Generation / Yui Sakakibara
title: マジカル★ジェネレーション / 榊原 ゆい
type: Composition

12RIVEN -the Ψcliminal of integral- Soundtrack
performer: Koichi Katayama
by artist: Koichi Katayama
type: Performance

ChaosAttractor / Kanako Ito [Limited Edition]
type: Composition

A.R. / Kanako Ito
created: 2010-07-28
catalogue number: FVCG-1119
by artist: Koichi Katayama
name: A.R. / いとうかなこ
type: MusicAlbum
creator: Koichi Katayama
date published: 2010-07-28
type: Release

TVアニメ「ケンコー全裸系水泳部 ウミショー」The BEST vocal collection
type: Performance
name: TV Anime "Kenko Zenrakei Suieibu Umisho" The BEST vocal collection

Que～エンシェントリーフの妖精～ Perfect Vocal Collection
title: Que ~Ancient Leaf no Yousei~ Perfect Vocal Collection
title: Que ~Fairy of Ancient Leaf~ Perfect Vocal Collection @en
type: Composition

marble / TOMOSUKE
type: Composition

Higurashi no Naku Koro ni Matsuri Opening Theme – Nageki no Mori
by artist: Koichi Katayama
title: ひぐらしのなく頃に祭オープニングテーマ 嘆きノ森
performer: Koichi Katayama
type: Performance

AKABEiSOFT2&Sisters Vocal Collection
type: Performance

レジリエンス ～Memories Off BEST～ / 彩音
type: Release
type: MusicAlbum
catalogue number: USSW-0085
title: Resilience ~Memories Off BEST~ / Ayane
date published: 2018-03-21
creator: Koichi Katayama
by artist: Koichi Katayama
created: 2018-03-21

Koichi Katayama
made: Re:Set / Zwei
made: Luminous Flux / 彩音
performed: A.R. / いとうかなこ
album: Re:Set / Zwei
made: はぴねす! Vocal Collection
made: SWEET LOVER's Myself;Yourself Best Song Album
album: ひぐらしのなく頃に祭オープニングテーマ 嘆きノ森
type: MusicGroup
album: DOLPHIN☆JET / 彩音
made: VECTOR / いとうかなこ
made: ひぐらしのなく頃に祭オープニングテーマ 嘆きノ森
album: マジカル★ジェネレーション / 榊原 ゆい
made: marble / TOMOSUKE
album: VECTOR / いとうかなこ
made: DOLPHIN☆JET / 彩音
album: marble / TOMOSUKE
made: マジカル★ジェネレーション / 榊原 ゆい
made: 12RIVEN -the Ψcliminal of integral- Soundtrack
album: Luminous Flux / 彩音
account: OnlineChatAccount
  account service homepage: http://www.twitter.com/
  account name: paddest
album: はぴねす! Vocal Collection
performed: Higurashi no Naku Koro ni Matsuri Opening Theme – Nageki no Mori
made: marble -Re Edition- / TOMOSUKE
type: Person
performed: Luminous Flux / Ayane [with DVD]
album: フェノグラム / 彩音
album: gâteau au chocolat
album: Amaranthine / いとうかなこ
album: エレファントノーシ/ 彩音
album: re;stratosphere / KAORI [初回限定盤]
performed: marble / TOMOSUKE
made: エレファントノーシ/ 彩音
made: Hoshizora e no Monologue / Kicco
made: フェノグラム / 彩音
album: ARIA The NATURAL ~Tooi Yume no Mirage~ Soundtrack
made: Process cw:third bridge / KAORI.
album: Sokujin no Pandora / Sakura Nogawa
performed: ChaosAttractor / Kanako Ito [Limited Edition]
made: ChaosAttractor / Kanako Ito
made: cloudier sky / Ayane
album: メモリーズオフ6 ～T-wave～ Audio Collection
album: ribbon / After Rain
album: Happiness! / Ayumi Murata
made: re;stratosphere / KAORI
performed: Myself;Yourself エンディングテーマ キミと夜空と坂道と / いとうかなこ
made: Remember11 -the age of infinity- SoundTrack
made: Que ~Ancient Leaf no Yousei~ Audio Collection
made: Higurashi no Naku Koro ni Matsuri Original Soundtrack
performed: フェノグラム / 彩音
album: 12RIVEN -the Ψcliminal of integral- Soundtrack
performed: Hoshizora e no Monologue / Kicco
album: Process cw:third bridge / KAORI.
album: TVアニメ「はぴねす!」サウンドトラック
made: この青空に約束を― ～ようこそつぐみ寮へ～ The BEST vocal collection
album: Remember11 -the age of infinity- SoundTrack
made: TVアニメ「ケンコー全裸系水泳部 ウミショー」サウンドトラック
made: PS2ゲーム 『ARIA The ORIGINATION ～蒼い惑星のエルシエロ～』 主題歌 「graceful way」 「花ノ咲ク星」 「Il Cielo」
made: RASTER / いとうかなこ
album: TVアニメ「ケンコー全裸系水泳部 ウミショー」サウンドトラック
album: ARIA The NATURAL ~Tooi Yume no Mirage~ Theme Song "Blue Blue Wave
made: TVアニメ「はぴねす!」サウンドトラック
album: PS2ゲーム 『ARIA The ORIGINATION ～蒼い惑星のエルシエロ～』 主題歌 「graceful way」 「花ノ咲ク星」 「Il Cielo」
album: cloudier sky / Ayane [Limited Edition]
performed: STEINS;GATE VOCAL BEST
album: この青空に約束を― ～ようこそつぐみ寮へ～ The BEST vocal collection
made: ARIA The NATURAL ~Tooi Yume no Mirage~ Theme Song "Blue Blue Wave
made: レジリエンス ～Memories Off BEST～ / 彩音
made: ChaosAttractor / Kanako Ito [Limited Edition]
album: Ever17 -the out of infinity- Premium Edition SoundTrack
made: AKABEiSOFT2&Sisters Vocal Collection
made: VECTOR / Kanako Ito [Limited Edition]
made: Splash BLUE The Sun, with Lemonade / Ayumi Murata
album: Splash BLUE The Sun, with Lemonade / Ayumi Murata
performed: ARIA The NATURAL ~Tooi Yume no Mirage~ Soundtrack
album: ChaosAttractor / Kanako Ito [Limited Edition]
made: Ever17 -the out of infinity- Premium Edition SoundTrack
made: cloudier sky / Ayane [Limited Edition]
performed: TVアニメ「ケンコー全裸系水泳部 ウミショー」サウンドトラック
album: VECTOR / Kanako Ito [Limited Edition]
album: Que～エンシェントリーフの妖精～ Perfect Vocal Collection

marble -Re Edition- / TOMOSUKE
type: Performance

Hoshizora e no Monologue / Kicco
type: MusicAlbum
title: Monologue to a Starry Sky / Kicco @en
type: Release
catalogue number: VGCD-1030
created: 2007-12-21
title: 星空へのモノローグ / Kicco
by artist: Koichi Katayama
creator: Koichi Katayama
date published: 2007-12-21

ARIA The ORIGINATION ~Il Cielo of the Blue Planet~ Theme Song CD 'graceful way' 'The Star Where Flowers Bloom' 'Il Cielo'
name: PS2ゲーム 『ARIA The ORIGINATION ～蒼い惑星のエルシエロ～』 主題歌 「graceful way」 「花ノ咲ク星」 「Il Cielo」
type: Composition

メモリーズオフ6 ～T-wave～ Audio Collection
type: Performance
name: Memories Off 6 ~T-wave~ Audio Collection

'&'-空の向こうで咲きますように- サウンドトラック
name: '&' -Sora no Mukou de Sakimasu You ni- Soundtrack
type: Performance

Myself;Yourself Audio Tracks -for GAME-
creator: Koichi Katayama
type: MusicAlbum
created: 2007-12-20
by artist: Koichi Katayama
type: Release
catalogue number: FPBD-0044
date published: 2007-12-20

RASTER / いとうかなこ
name: RASTER / Kanako Ito
type: Composition

Process cw:third bridge / KAORI.
created: 2008-04-23
type: Release
name: プロセス cw:third bridge ／ KAORI.
catalogue number: FVCG-1003
by artist: Koichi Katayama
creator: Koichi Katayama
type: MusicAlbum
date published: 2008-04-23

RASTER / いとうかなこ
name: RASTER / Kanako Ito
created: 2014-02-26
date published: 2014-02-26
catalogue number: FVCG-1290
type: Release
by artist: Koichi Katayama
type: MusicAlbum
creator: Koichi Katayama

TVアニメ「ケンコー全裸系水泳部 ウミショー」サウンドトラック
name: Kenko Zenrakei Suieibu Umisho Soundtrack
date published: 2007-11-21
created: 2007-11-21
type: Release
by artist: Koichi Katayama
type: MusicAlbum
creator: Koichi Katayama
catalogue number: VGCD-0124

GRAVITY ERROR / 彩音
title: GRAVITY ERROR / ayane
by artist: Koichi Katayama
type: Release
type: MusicAlbum
created: 2009-04-22
date published: 2009-04-22
catalogue number: FVCG-1077
creator: Koichi Katayama

明日へのキズナ / HIMEKA
type: Performance
name: Asu e no Kizuna / HIMEKA

gâteau au chocolat
date published: 2011-04-27
type: Release
creator: Koichi Katayama
name: ガトー・ショコラ
catalogue number: FVCG-1148
by artist: Koichi Katayama
created: 2011-04-27
type: MusicAlbum

Higurashi no Naku Koro ni Matsuri Opening Theme – Nageki no Mori
name: ひぐらしのなく頃に祭オープニングテーマ 嘆きノ森
type: Composition

Re:Set / Zwei
type: Release
catalogue number: FVCG-1231
creator: Koichi Katayama
by artist: Koichi Katayama
created: 2013-04-24
type: MusicAlbum
date published: 2013-04-24

Sokujin no Pandora / Sakura Nogawa
type: MusicAlbum
type: Release
catalogue number: VGCD-1042
date published: 2009-08-05
creator: Koichi Katayama
title: 塞塵のパンドラ ／ 野川さくら
created: 2009-08-05
by artist: Koichi Katayama

DOLPHIN☆JET / Ayane
name: DOLPHIN☆JET / 彩音
type: Composition

Phenogram / Ayane [with DVD]
name: フェノグラム / 彩音
type: Composition

cloudier sky / Ayane
by artist: Koichi Katayama
creator: Koichi Katayama
type: MusicAlbum
catalogue number: ZMCZ-3911
created: 2008-01-25
type: Release
date published: 2008-01-25

VECTOR / いとうかなこ
title: VECTOR / Kanako Ito [Limited Edition]
type: Composition

Re:Set / Zwei
type: Composition

Myself;Yourself エンディングテーマ キミと夜空と坂道と / いとうかなこ
title: Myself;Yourself Ending Theme "Kimi to Yozora to Sakamichi to
type: Performance
performer: Koichi Katayama
by artist: Koichi Katayama

Amaranthine / いとうかなこ
name: Amaranthine / Kanako Ito
type: Composition

marble / TOMOSUKE
type: Release
date published: 2005-02-25
by artist: Koichi Katayama
creator: Koichi Katayama
type: MusicAlbum
catalogue number: LC1363
created: 2005-02-25

Luminous Flux / Ayane [with DVD]
by artist: Koichi Katayama
performer: Koichi Katayama
title: Luminous Flux / 彩音
type: Performance

cloudier sky / Ayane
type: Performance

Hoshizora e no Monologue / Kicco
title: Monologue to a Starry Sky / Kicco @en
by artist: Koichi Katayama
title: 星空へのモノローグ / Kicco
performer: Koichi Katayama
type: Performance

gâteau au chocolat
title: ガトー・ショコラ
type: Composition

TVアニメ「ケンコー全裸系水泳部 ウミショー」サウンドトラック
title: Kenko Zenrakei Suieibu Umisho Soundtrack
performer: Koichi Katayama
type: Performance
by artist: Koichi Katayama

Memories Off #5 とぎれたフィルム プレミアムコレクション1 Asuka (C.V.野川さくら)
title: Memories Off #5 Togireta Film Premium Collection 1 Asuka (C.V. Sakura Nogawa)
type: Composition

TV Anime "Happiness!" Soundtrack
title: TVアニメ「はぴねす!」サウンドトラック
type: Composition

SWEET LOVER's Myself;Yourself Best Song Album
catalogue number: VGCD-0139
created: 2008-04-23
date published: 2008-04-23
type: MusicAlbum
by artist: Koichi Katayama
type: Release
creator: Koichi Katayama

DOLPHIN☆JET / 彩音
catalogue number: VGCD-1018
type: Release
title: DOLPHIN☆JET / Ayane
creator: Koichi Katayama
by artist: Koichi Katayama
date published: 2007-07-25
type: MusicAlbum
created: 2007-07-25

Que～エンシェントリーフの妖精～ Perfect Vocal Collection
catalogue number: VGCD-0121
type: Release
name: Que ~Fairy of Ancient Leaf~ Perfect Vocal Collection @en
creator: Koichi Katayama
name: Que ~Ancient Leaf no Yousei~ Perfect Vocal Collection
type: MusicAlbum
by artist: Koichi Katayama
date published: 2007-11-09
created: 2007-11-09

はぴねす! Vocal Collection
name: Happiness! Vocal Collection
type: Composition

cloudier sky / Ayane [Limited Edition]
title: cloudier sky / 彩音
type: Composition

GRAVITY ERROR / ayane
performer: Koichi Katayama
type: Performance
by artist: Koichi Katayama
name: GRAVITY ERROR / 彩音

Konoaozora ni Yakusoku wo / KAORI
type: Composition
title: この青空に約束を / KAORI

Kono Aozora ni Yakusoku wo― ~Youkoso Tsugumi-ryou e~ The BEST vocal collection
name: この青空に約束を― ～ようこそつぐみ寮へ～ The BEST vocal collection
type: Performance

ribbon / After Rain
type: MusicAlbum
creator: Koichi Katayama
by artist: Koichi Katayama
type: Release
created: 2005-02-02
date published: 2005-02-02
catalogue number: KDCM-0023

birthinfo
principal: Koichi Katayama
place: Shinjuku, Tokyo, Japan
date: 1977-01-01
type: Birth

Happiness! Vocal Collection
type: Performance
title: はぴねす! Vocal Collection

Amaranthine / いとうかなこ
date published: 2010-12-22
creator: Koichi Katayama
name: Amaranthine / Kanako Ito
type: MusicAlbum
by artist: Koichi Katayama
type: Release
catalogue number: FVCG-1136
created: 2010-12-22

Process cw:third bridge / KAORI.
name: プロセス cw:third bridge ／ KAORI.
type: Performance

TVアニメ「ケンコー全裸系水泳部 ウミショー」The BEST vocal collection
name: TV Anime "Kenko Zenrakei Suieibu Umisho" The BEST vocal collection
type: Composition

re;stratosphere / KAORI
type: Performance

Ever17 -the out of infinity- Premium Edition SoundTrack
performer: Koichi Katayama
type: Performance
by artist: Koichi Katayama

cloudier sky / Ayane
type: Composition

塞塵のパンドラ ／ 野川さくら
name: Sokujin no Pandora / Sakura Nogawa
type: Performance

フェノグラム / 彩音
created: 2013-05-29
title: Phenogram / Ayane [with DVD]
catalogue number: FVCG-1238
type: Release
date published: 2013-05-29
by artist: Koichi Katayama
creator: Koichi Katayama
type: MusicAlbum