https://www.pjrc.com/store/teensy35.html
and coded it using the synth referred to in the vid's description.
Here's my synth!
https://youtu.be/fVdPEy9sTUk
sorry its a long vid, but it pretty much sums up what I've made so far and some info on how I made it.
Took me about three weeks of white knuckling out the code since I am such a n00b at code/C++.
I have learned ALOT about programming from this project. It's my first somewhat large scale project I've ever done with a uC.
/Blaine