Every Little Thing「ORDINARY」（2011/9/21）ありがとうはそのためにあるStrings: Gen Ittetsu Strings 「アイガアル」（2011/8/24）＊シングル

Every Little Thing 「CHANGE」（2010/3/24）冷たい雨 (Album version)Strings & Woodwind Arrangement: GEN ITTETSUStrings GEN ITTETSU Strings

Every Little Thing 「Many Pieces」（2003/3/19）AMBIVALENCEStrings arrangement: GEN ITTETSUStrings GEN ITTETSU GROUP 「ささやかな祈り」（2002/8/16）＊シングル

Every Little Thing「FUN-FARE」（2014/2/19）STARTStrings Arrangement: Gen IttetsuStrings: Gen Ittetsu Strings