Multiplayer music games for PC/Windows with 4-player local/couch support
Just Shapes & Beats
Players: 4 local, 4 online
Old School Musical
Players: 4 local, 0 online
Guitar Hero: World Tour
Players: 4 local, 4 online
Vectronom
Players: 4 local, 0 online
Crypt of the NecroDancer: SYNCHRONY
Players: 4 local, 8 online
Baby Shark: Sing & Swim Party
Players: 4 local, 0 online
Super Crazy Rhythm Castle
Players: 4 local, 4 online
Taiko no Tatsujin: Rhythm Festival
Players: 4 local, 4 online