Dieselboy is the stage name of Damian Higgins, an American drum 'n' bass and dubstep DJ/producer, remixer, founder of the Human Imprint drum 'n' bass label in 2002, and co-founder in 2010 of sublabel SubHuman (drum 'n' bass and electro). In 2012 Higgins co-founded Planet Human as the new umbrella label for Human Imprint and SubHuman.
These are photos from concerts where Dieselboy played, so they may be of other bands that played the concert as well.
Ultra 2004 event brochure
Ultra Music Festival 2004 Mar 6, 2004 Miami, Florida, United States Uploaded by Xak
Ultra 2004 set times