He is also the singer in a D-Beat punk band called Death March. Aston's career began as a roadie for bands AFI and Rancid. He eventually started a solo career, releasing the song "Show Me". He became involved in the Transplants when Tim Armstrong asked for lyrics to the songs Aston had been writing. The two started jamming in Armstrong's basement. They eventually invited Travis Barker of Blink-182 to provide drum tracks, instead of using drum-loops as originally planned.