There are four known bands called Blow Up: 1. Columbus, Ohio based post-hardcore/screamo band from 1999 to 2002 . Featured the members of post-hardcore band, Remingtin. They utilized synthesizers as their main instrument. 2. mid-late sixties former band from Santos, Brazil. Mixing surf, beat and psych, were known for versions of US and Britain hits. 3. contemporary band from Spain, playing mod, freakbeat and psychedelic sounds from the sixties. 4. 70s/80s hard rock/glam band from L.A. Read more on Last.fm