WAmiaya
WAvex Trax
WD-topia Entertainment
WDefstar Records
WDen-den daiko
WDevil's Sword Dance
WHichiriki
WHyōshigi
WJapan Music Awards
WJapanoise
WKane (instrument)
WKioon Music
WKokoro Komete
WLemoned Plant
WNagauta
WNakasi
WNatsu Hayate
WNōgaku
WRōkyoku
WRyūteki
WSarugaku
WSato kagura
WShakuhachi musical notation
WShibuya O-East
WShibuya-AX
WShinto music
WSmash (music promoters)
WSongs Day
WSōran Bushi
WTeichiku Records
WYo scale
WYokobue
WZenzenzense