Hiroshi Watanabe
beatmania IIDX diving money/QUADRA Special energy/DJ FX g.m.d./DJ mazinger featuring Muhammad into the world/QUADRA Queen's Jamaica (astria mix)/Crunky Boy featuring Muhammad perfect free/nite system
beatmania IIDX 3rd style Garden of Love/DJ Mazinger Beat Machine/CRUNKY BOY Jr. Cold Pulse/Quadra with DJ FX
beatmania IIDX 18 Resort Anthem LIFE SCROLLING/HIROSHI WATANABE
QUADRA名義
Sketch from a Moment (1997)
Beatmania Beat Indication (1998)
Quadra Loop (1999)
Hiroshi Watanabe名義
Tiny Balance (2004)
Genesis (2006)
Sync Positive (2011)
MULTIVERSE (2016)
KAITO名義
Special Life (2002)
Special Love (2003)
Hundred Million Light Years (2006)
Hundred Million Love Years (2006)
MIX CD
Century Groove Innovation Vol.1 (2012)
TREAD(北原剛彦とのユニット)名義
Tread (2002)
Tread2 (2002)
Tread3 (2003)
Tread4 (2004)
Tread5 (2005)