I want to clarify this doubt that I have had for some time.
1.- What happens in the following cases?
7E 7F 09 01 GM on 7E 7F 09 02 GM off
If there is no MIDI specification, then what instruments are used or would it just be considered a reset and GM remains the same.
2.- Does GM off also turn off GM2?
7E 7F 09 03 GM2 on 7E 7F 09 02 GM off
Thanks you
NOTE: I have HTTP_REFERER disabled in my browser for privacy (this returns the site you came from to the current page), but this site requires it in order to post otherwise it gives error 2252, now I have to use another browser for this.
"GM On" changes to General MIDI instruments, i.e., Bank Select messages are ignored.
"GM2 On" changes to GM2 instruments.
"GM Off" changes to vendor-specific instruments. Most devices have instrument numbers that are backwards compatible with GM, but Bank Select messages also allow other instruments.
Thanks, now it's clear to me.