There are at least two bands named Them:
These are photos from concerts where THEM played, so they may be of other bands that played the concert as well.
Jawbreaker
Bumbershoot 50th Anniversary Arts and Music Festival 2023 Sep 2 - 3, 2023 Seattle, Washington, United States Uploaded by Wedgewill
Bumbershoot 50th Anniversary Arts and Music Festival 2023 Sep 2 - 3, 2023 Seattle, Washington, United States Uploaded by Tmichutka
Dandy Warhols
Sweet Water
Bumbershoot 50th Anniversary Arts and Music Festival 2023 Sep 2 - 3, 2023 Seattle, Washington, United States Uploaded by Jay Weisberger
THEM / Small Shakes / Spyglass Jan 26, 2023 Seattle, Washington, United States Uploaded by Fang1rlhq
THEM / Van Morrison / Sons of Champlin Jul 29 - 30, 1966 San Francisco, California, United States Uploaded by Zimtrim
THEM / Van Morrison Jul 1 - 2, 1966 Santa Monica, California, United States Uploaded by Zimtrim
THEM / Van Morrison Jun 2 - 18, 1966 West Hollywood, California, United States Uploaded by Zimtrim
THEM / Van Morrison / Joey Paige / The Palace Guard Apr 6 - 10, 1966 Los Angeles, California, United States Uploaded by Zimtrim