Blink-182 bassist and drummer also played in a rocker supergroup formed in what city in 2005?
Greatest Hits (Blink-182 album):  Bassist Mark Hoppus and Travis Barker argued with DeLonge regarding the band's future and their possible next album, and heated exchanges led to DeLonge's exit. +44 (band): +44 (read as Plus Forty-four) was an American rock supergroup formed in Los Angeles, California in 2005.
Los Angeles, California