BoA
BoA「OUTGROW」(2006/2/15)EverlastingStrings: Gen Ittetsu Group 「Everlasting」(2006/1/18)*シングル
BoA「OUTGROW」(2006/2/15)OUTGROW ~Ready butterfly~Strings: Gen Ittetsu Group
BoA「OUTGROW」(2006/2/15)キミのとなりでStrings: Gen Ittetsu Group 「DO THE MOTION」(2005/3/30)*シングル
BoA「OUTGROW」(2006/2/15)With UStrings: Gen Ittetsu Group 「DO THE MOTION」(2005/3/30)*シングル
BoA「VALENTI」(2003/1/29)Moon & SunriseGen Ittetsu Strings
BoA「THE FACE」(2008/2/27)Beautiful FlowersStrings: Gen Ittetsu StringsStrings Arrangement: Gen Ittetsu 「LOVE LETTER」(2007/9/26)*シングル
BoA「THE FACE」(2008/2/27)Smile againStrings: Gen Ittetsu Strings 「LOSE YOUR MIND feat. Yutaka Furukawa from DOPING PANDA」(2007/12/12)*シングル
BoA「THE FACE」(2008/2/27)be with you.Strings: Gen Ittetsu StringsStrings Arrangement: Gen Ittetsu 「be with you.」(2008/2/20)*シングル
BoA「MADE IN TWENTY (20)」(2007/1/17)Your ColorGen Ittetsu Strings 「七色の明日 〜brand new beat〜/Your Color」(2006/4/5)*シングル
BoA「MADE IN TWENTY (20)」(2007/1/17)KEY OF HEARTGen Ittetsu StringsStrings arrangement: Gen Ittetsu 「KEY OF HEART」(2006/8/9)*シングル
BoA「LOVE & HONESTY」(2004/1/15)OVER ~across the time~Strings: Gen Ittetsu Strings
BoA「LOVE & HONESTY」(2004/1/15)LOVE & HONESTYStrings: Gen Ittetsu Strings