There are several bands with this name.
These are photos from concerts where Tribes played, so they may be of other bands that played the concert as well.
British Summer Time Festival 2013 Jul 6, 2013 London, England, United Kingdom Uploaded by Alan Partridge
Barclaycard British Summer Time 2013 Jul 6, 2013 London, England, United Kingdom Uploaded by Martin Scarborough
Summer Sonic Tokyo 2012 Aug 18 - 19, 2012 Tokyo, Tokyo, Japan Uploaded by Tokyo Fox
Bilbao BBK Live 2012 Jul 12 - 14, 2012 Bilbao, SP Uploaded by Rafa Rodriguez