Summer.On.Tour has seen 7 concerts at O2 World .

Date	Concert	Venue	Location
May 16, 2015	5 Seconds of Summer Setlists	O2 World	Hamburg, Hamburg, Germany
Nov 11, 2014	Helene Fischer	O2 World	Hamburg, Hamburg, Germany
Oct 17, 2014	Jan Delay Setlists	O2 World	Hamburg, Hamburg, Germany
May 12, 2013	One Direction Setlists	O2 World	Hamburg, Hamburg, Germany
Apr 02, 2013	Justin Bieber Setlists	O2 World	Hamburg, Hamburg, Germany
Jun 21, 2011	Linkin Park Setlists	O2 World	Hamburg, Hamburg, Germany
Mar 28, 2011	James Blunt Setlists	O2 World	Hamburg, Hamburg, Germany