Koichi Tanaka
Discography
| Date | Catalog | Name | Roles |
| 1999-06-17 | KMCA-1 | beatmania 4thMIX Original Soundtracksbeatmania 4thMIX Original Soundtracksbeatmania 4thMIX Original Soundtracks |
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| 2000-03-29 | TOCP-64058~9 | beatmania 5thMIX ORIGINAL SOUNDTRACKビートマニア5thMIX オリジナル・サウンドトラックbeatmania 5thMIX ORIGINAL SOUNDTRACK |
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Featured On
| Date | Catalog | Name | Roles |
| 2000-11-05 | BS-01 | BEATING SURVIVER -cyber arrangement from "beatmania"-BEATING SURVIVER -cyber arrangement from "beatmania"-BEATING SURVIVER -cyber arrangement from "beatmania"- |
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| 2001-03-21 | KMCA-95 | beatmania ANI-SONGS MIX Meisaku Anime REMIXbeatmania ANI-SONGS MIX 名作動画REMIXbeatmania ANI-SONGS MIX Meisaku Anime REMIX |
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