I also found the parts thing hard to deal with, because It hought I could only have 4 parts per project. Once I realized that each bank was independent of the others and could have its own track setups etc. I stopped worrying about it, realizing that parts gave me 4 ‘orchestration’ options in each bank, but that I could have 16 completely different songs in the 16 banks within a single project.
I understand the audio voices limitations, but limiting the MIDI polyphony to 4 is just… You gotta hate your customers or something.
Do you mean polyphony of 4 per track? Cause I have recorded whole tracks where all the sequencing came fromt he OT and I used an MPC with some plugins for the sounds, I didn’t notice any voice stealing. 4 notes on one track is enough for a reasonably thick chord, you could always send 2 tracks to the same MIDI channel if you wanted more poly. Obviously it is not the right sort of device if you want to want to sequence piano/harpsichord études or complex guitar performances.