From press release:
(October 9th, 2003 – Los Angeles) Grammy Award winning artist, record producer and music composer Chris Vrenna (AKA Tweaker), formerly of the legendary band Nine Inch Nails, will compose and produce the main title song for Warner Bros. Animation’s new television series “Xiaolin Showdown.” The half-hour, action-comedy-adventure series will debut November 2003 on Kids' WB!, the #1 broadcast network for kids.