Tutorial 3: Envelopes

This tutorial introduces you to a powerful tool that should be in everyone's toolbox.  That tool is called an envelope.

Envelopes let you define how the volume of a note changes over time, defining attack, hold, decay, sustain and release.  Envelopes are extremely powerful!

This tutorial references a wikipedia page, here is that page: http://en.wikipedia.org/wiki/ADSR_envelope#ADSR_envelope