There are at least 10 groups with the name H2O (including H₂O):
These are photos from concerts where H2O played, so they may be of other bands that played the concert as well.
H2O / Comeback Kid / Abuse of Power Sep 21, 2019 Philadelphia, Pennsylvania, United States Uploaded by X1124x
Riot Fest (Day 1 of 3) Sep 13, 2019 Chicago, Illinois, United States Uploaded by Eric Schander
Riot Fest 2019 Sep 13 - 15, 2019 Chicago, Illinois, United States Uploaded by Stephen Schenk
Riot Fest 2019 Sep 13 - 15, 2019 Chicago, Illinois, United States Uploaded by Raiderspop
Vans Warped Tour Jun 29, 2019 Atlantic City, New Jersey, United States Uploaded by Bridjett Forrester