| Synth, Rhythm Programming | Al『第7集 desire to fly high』(2000 NRC-0002 / DK0063) |
| 오랜 이별 뒤에 (Quartet Version) | Piano | Al『Special Album THE LEGEND』(2002.12 DYCD-1196) |
| Silver Bells | Piano | Al『Special Album THE LEGEND』(2002.12 DYCD-1196) |
| I Left My Heart In San Francisco | Piano | Al『Special Album THE LEGEND』(2002.12 DYCD-1196) |
| 두 번 헤어지는 일 | Piano | Al『第9集 Ninth Reply』(2004.02 WLCC-0009) |
| 그런 날이 오겠죠 | Piano | Al『第9集 Ninth Reply』(2004.02 WLCC-0009) |
| Come to me | Piano | Al『第9集 Ninth Reply』(2004.02 WLCC-0009) |
| Love song | Piano | Al『第9集 Ninth Reply』(2004.02 WLCC-0009) |
| 그게 바로 사랑이죠 | Piano | Al『第9集 Ninth Reply』(2004.02 WLCC-0009) |
| 어쩌죠 | Piano | Al『第9集 Ninth Reply』(2004.02 WLCC-0009) |