What was the second studio album by an  Australian rock band that formed in 2011?
5 Seconds of Summer 5 Seconds of Summer is an Australian rock band that formed in 2011. The group were originally YouTube celebrities, posting videos of themselves covering songs from various artists during 2011 and early 2012. They rose to international fame while touring with One Direction on their Take Me Home Tour.
All at Once (album) All at Once is the second studio album by American indie-rock band The Airborne Toxic Event. The album was released on April 26, 2011, by Island Records..