GM or GM2? › Forums › Miscellaneous › GM or GM2? Tagged: GM, GM2, MIDI This topic has 0 replies, 1 voice, and was last updated 2 years ago by Curt. Viewing 1 post (of 1 total) Author Posts November 19, 2020 at 10:33 #10736 CurtKeymaster @immusiccm General MIDI, known as GM vs. GM2, known as General MIDI 2. What’s the difference? GM-GM2 Overview This topic was modified 1 year ago by immusic. 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 › Miscellaneous › GM or GM2?