I made some stuff easier for those who write for band, orchestra, or percussion.

I changed the instruments.xml and made a new instrument called "Mallet Percussion." This is basically vibraphone with a bunch of other channels on it (Kinda how violin has a channel for pizz. violin). With this instrument you can switch between different pitched percussion instruments by making staff text, selecting staff text properties, and choosing your desired instrument. I also made it so that oboe has a channel for switching to english horn and alto sax has a channel for switching to soprano sax.

Here is the code for the new mallet instrument, the improved oboe, and the improved alto sax:

https://docs.google.com/document/d/1X9QfeUCznTXRbTHXxFESUQzWyvNe5upl7qy…

And heres the custom instruments.xml