It wouldn't take much to break out the MPC functionality and build a quick GUI for it (if you're interested).
Most generous offer.
I cannot remember many hotkeys, but I would VERY much like you to add the basics: Play
- but because of programs installed but seldom used, I am having a hard time trying to figure out which hotkeys are free! Can you let the choices include the numerics (with NumLock disabled), please?
No volume, as I use Volumouse.