| 碧 | Background Vocals | Mini Al『風と空と』(2005.05.25 GZCA-5066) Al『岩田さゆりBest+』(2008.06.04 GZCA-5134) |
| たんぽぽ | Background Vocals | Mini Al『風と空と』(2005.05.25 GZCA-5066) |
| Beck's | Hand Clap | Al『Edge of Innocence』(1999.09.22 BVCR-11013) |
| It's dance shuffle | EG | Al『It's DANCE SHUFFLE』(2008.01.16 ZCL-013) |
| たくさんのありがとう | AG | Al『It's DANCE SHUFFLE』(2008.01.16 ZCL-013) |
| We Are Together | AG | Al『It's DANCE SHUFFLE』(2008.01.16 ZCL-013) |
| The fool on the hill | Male Vox | Mini Al『The note of my eighteen years』(2003.12.03 TCR-016) |
| あの海が見えたら | Male Vox | Al『My Favorite Things』(2004.09.15 GZCA-5049) |
| 二人のSunny day | Male Vox | Al『My Favorite Things』(2004.09.15 GZCA-5049) |
| だいじょうぶ!! my friend | Guitars | Al『BEAT GOES ON』(2003.03.26 COCP-32087) |
| LIVE | Male vox | Al『BEAT GOES ON』(2003.03.26 COCP-32087) |
| The sea of the time | Male vox | Al『BEAT GOES ON』(2003.03.26 COCP-32087) Al『B3 Master Pieces 2002-2004』(2004.03.24 COCP-32627) |
| だって、女の子なんだもん！ | Male vox | Al『BEAT GOES ON』(2003.03.26 COCP-32087) Al『B3 Master Pieces 2002-2004』(2004.03.24 COCP-32627) |
| Mysterious Heaven | Guitars, Male vox | Al『BEAT GOES ON』(2003.03.26 COCP-32087) |
| So Many X'mas | Male Vox | Al『Winter Greetings』(2004.12.15 COCP-32810) |
| 「好き。」 | Male Vox | Al『Winter Greetings』(2004.12.15 COCP-32810) |