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 videos from concerts where Phoenix played, so they may be of other bands that played the concert as well.
Phoenix / The Lemon Twigs Jun 13, 2017 Tempe, Arizona, United States Added by Concert Junkie Jozer
The Governors Ball Music Festival 2017 Jun 2 - 4, 2017 New York, New York, United States Added by Joshua B.
The Governors Ball Music Festival 2017 Jun 2 - 4, 2017 New York, New York, United States Added by Mike Daly