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.
Gorilla Biscuits / H2O / Crime In Stereo / End It / Stand Still Sep 8, 2023 New York, New York, United States Uploaded by Chris Sousa
Tells Bells Festival 2023 Aug 11 - 12, 2023 Villmar, Hesse, Germany Uploaded by Manuel Kainz
Jera On Air 2023 Jun 22 - 24, 2023 Ysselsteyn, Limburg, Netherlands Uploaded by Quintenquist
JOA 2023 Line-Up
Rebellion Tour 2023 Mar 12, 2023 Berlin, Berlin, Germany Uploaded by Aelaechs
Four Chord Music Festival 2022 Sep 9 - 10, 2022 Washington, Pennsylvania, United States Uploaded by Hayley Van Epps