There are at least three acts / bands called Gumm (or GUMM, or GuMM).
These are photos from concerts where Gumm played, so they may be of other bands that played the concert as well.
Let Them Eat Cake 2024 Jan 1, 2024 Werribee, Victoria, Australia Uploaded by Leon Sjogren
Restraining Order / Gumm / Ozone / Strange Joy / Urn / Spit My Rage Sep 22, 2023 Grand Prairie, Texas, United States Uploaded by Bigtravsburnerphone
Ozone / Urn / Strange Joy / Gumm / Restraining Order / Spit My Rage Sep 22, 2023 Grand Prairie, Texas, United States Uploaded by Bigfoot Smoking Weed
Drain / Drug Church / Magnitude / Gumm Jun 22, 2023 Santa Ana, California, United States Uploaded by Mjhudson81
Drain / Drug Church / Magnitude / Gumm Jun 22, 2023 Santa Ana, California, United States Uploaded by Felix Joel Garcia
Jivebomb / Gumm / Material Support Apr 1, 2023 Ridgewood, New York, United States Uploaded by Chris Sousa
Pummel / Gumm / Peace Test / Torment / Fading Signal / Richmond Vampire Feb 6, 2022 Richmond, Virginia, United States Uploaded by Ratty Rats
