There have been several artists that have used the name Phoenix, the two best known are an alternative rock band from France and a folk rock band from Romania.
These are photos from concerts where Phoenix played, so they may be of other bands that played the concert as well.
New Orleans Jazz & Heritage Festival 2014 Apr 25 - May 4, 2014 New Orleans, Louisiana, United States Uploaded by Nicktor
Capital Cities / Imagine Dragons / Phoenix / Muse / Cage the Elephant Apr 5, 2014 São Paulo, São Paulo, Brazil Uploaded by Nearlywitch
Future Music Festival 2014 Mar 9, 2014 Melbourne, Victoria, Australia Uploaded by Jarrod Bunker
Phoenix / Matt and Kim Jan 25, 2014 Aspen, Colorado, United States Uploaded by Kyle Kline
Phoenix / alt-J / ††† (Crosses) / Joan Jett & The Blackhearts / Terraplane Sun Dec 5, 2013 Reno, Nevada, United States Uploaded by Anthony Mendoza
Phoenix / The Vaccines Oct 3, 2013 Columbus, Ohio, United States Uploaded by Jordan G