Loudon Stearns' "Tracks Interact" continues with Auto Filter

Last time we heard from berkleemusic.com instructor Loudon Stearns, he introduced a new video series on Ableton Live with a look at the nuts and bolts of sidechain compression. In Part 2 of Loudon's Tracks Interact series, he demonstrates how to add some timbral variation to sounds in Live with the Auto Filter effect: