On: Klangmeister: Music live coding environment for th...

[rogerallen]

http://www.syntorial.com/ was very educational for me in learning what sounds go with what underlying waveforms/filters/etc.

The free demo contains the first 22 (out of 199) lessons.

As an aside, I goofed around with Overtone while watching & coded some bits here https://github.com/rogerallen/syntorial