Try 'Save As' (and changing the name) after making your changes. This is the first in a long list of possibilities.

There are Sysex entries that may work, etc. but sometimes simply using 'Save As' creates a new header that just works.
The clue that deleting measures often works make me think this may be the simple solution for the rest.


I do not work here, but the benefits are still awesome
Make your sound your own!