thanks for these resources guys!

EDIT: Wow...watching @biminiroad video right now - I think I'm going to tackle making a clone of the Phenol in audulus (with metering!) and watching the video as I play in Audulus!

Another awesome playlist where he uses an scope to show you both temporal and frequency-domain aspects of a signal, filtering, etc.

https://www.youtube.com/playlist?list=PL2D5114481E876D43