Deli Spice '슬프지만 진실...' [2000.2] - Programming, Background Vocal Julia Hart '가벼운 숨결' [2001.1] - Recording, Mixing, Co-Producer 볼빨간 '야매' [2001.6] - Arrange, Programming Sweetpea '하늘에서 피는 꽃' [2004.4] - Drum Programming, Live Session My Aunt Mary 'Just Pop' [2004.7] - Rhythm Programming