- First Love (男性キー)宇多田ヒカルVocal1collabkatsusoul
- Missing久保田利伸Vocal1collabkatsusoul
- LatelyStevie WonderVocal1collabkatsusoul
- Beauty And The Beast 〔コラボ用 男性パート〕Peabo Bryson & Regina BelleVocalkatsusoul
- HeartacheONE OK ROCKVocalkatsusoul
- Sir DukeStevie WonderVocal1collabkatsusoul
- What Do You Mean? AcousticJUSTIN BIEBERVocal1collabkatsusoul
- Love YourselfJustin BieberVocal1collabkatsusoul
- A whole new world Alahna feat. katsusoulPeabo Bryson & Reggina BelleVocal2collabkatsusoul
- PIECES OF A DREAM SU feat katsusoulCHEMISTRYVocal2collabkatsusoul