| Releases: | ||||
| Music Inspired By Boogiepop And Others (CD, Album) | Anime Trax | 2000 | ||
| Noir (Original Soundtrack I) (Album) ◄ (2 versions) | Geneon Entertainment (USA) Inc. ... | 2001 | ||
| .hack//SIGN Original Sound & Song Track 1 (CD, Album) | Alion International Records Co. Ltd. | 2002 | ||
| .hack//SIGN Original Sound & Song Track 2 (CD, Album) | Alion International Records Co. Ltd. | 2002 | ||
| .hack//Extra Soundtrack (CD, Album) | Bandai Entertainment | 2003 | ||
| .hack//SIGN Original Soundtrack 2 (CD) | Bandai Entertainment | 2003 | ||
| Fiction (CD, Album) | Pioneer Music | 2003 | ||
| Noir - Bande Originale (CD) | Wasabi Records (2) | 2006 | ||
| Appears On: | ||||
| .Hack//Roots O.S.T. (CD, Album) | Silly-Go-Round (TV Ver... | Beez Entertainment | 2005 | |
| Tracks Appear On: | ||||
| .hack//SIGN Original Soundtrack 1 (CD, Comp) | The World, Kiss, Key O... | Bandai Entertainment | 2003 | |
| Unofficial Releases: | ||||
| Noir (Original Soundtrack I) (CD) | Les Soldats, Snow, Can... | Miya Records | ||