At least the IDs were fully documented on the Yamaha MU90 implementation manual and the NS5R manual. No data for Roland yet.
Implementation details from @jayb1988:
Exclusive group means only one sample of that group can sound at a time. For a hi-hat, this means that an open hi-hat gets stopped by a closed or pedal hi-hat.
At least the IDs were fully documented on the Yamaha MU90 implementation manual and the NS5R manual. No data for Roland yet.
Implementation details from @jayb1988: