GM or GM2? › Forums › MIDI › GM or GM2? Tagged: GM, GM2, MIDI This topic has 0 replies, 1 voice, and was last updated 5 days, 20 hours ago by Curt. Viewing 1 post (of 1 total) Author Posts November 19, 2020 at 10:33 #10736 CurtKeymaster General MIDI, known as GM vs. GM2, known as General MIDI 2. What’s the difference? GM-GM2 Overview Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In › Forums › MIDI › GM or GM2?