Go here now:
See what bad ass sounds analog/virtual analog synthesizers can make here:
This is a simple introduction at best.
The Moog filter and envelopes defined modern music in terms that we will never be able to thank Bob for.
If you know what a filter sweep is, or an arpeggiated sawtooth waveform pushed through an envelope, then you know what I'm talking about.
May Bob Moog's work live forever!!!