There are at least 10 groups with the name H2O (including H₂O):
These are videos from concerts where H2O played, so they may be of other bands that played the concert as well.
Vans Warped Tour 25 Year Anniversary Jun 29 - 30, 2019 Atlantic City, New Jersey, United States Added by Cardi
H20 / Descendents / Iron Chic / Cock Sparrer Jun 10 - 12, 2016 Asbury Park, New Jersey, United States Added by Concert Archives
Vans Warped Tour 2015 Jul 10, 2015 Camden, New Jersey, United States Added by Ashleyfrench
