Urthquake is the long-running samples/loops/guitar project of Bob Gratis. Urthquake performed on Airborne Event, hosted by Dan Bodah on WFMU. The program also contained a set from Urthquake tourmates Noise Nomads. Here's the WFMU Playlist & Streaming Archive
Crowley by Urthquake is licensed under a Attribution-Noncommercial-No Derivative Works 3.0 United States License.