Don't know the exact scene, but MTV lists music from this episode:
Genocide Superstar "Destroyer of Worlds"
Ben Harper "Steal My Kisses"
3 Inches of Blood "Heir to the Chaos Throne"
Faithless "We Come..."
Euphone "Press on"
Thunderball "Stereo Tonic"
Champagne Velvet "The Dirty Life"
Turing Machine "The Doodler"
Mastodon "Remission"
Kool G Rap "My Life"
Beef Wellington "All I Need"
Supergrass "Late in the Day"
Woe "This Sound will Break your Heart"
Black Rebel Motorcycle Club "Whatever Happened to my Rock and Roll"
Electric Frankenstein "Hammered"
Dance Disaster Movement "Cest La Vie"
Bluebird "Still Life (with Moving Parts)"
Dance Disaster Movement "Saturday"
If no one can give you the exact song, maybe the title will give it away, or you'll have to find samples to check.