Loudon Stearns is a trainer with Berklee Music, a bass player, a composer, a performer and installation artist. In this extended tutorial, he focuses on live looping in Ableton Live - using Looper and an APC40. Check it out:

But it doesn't end there - here are five tips from Loudon on improving and streamlining your workflow in Live, all of them targeting different topics and all of them equally valuable.