John is a mononym used by a numerous number of artists, some of them actually named John, some not.
These are photos from concerts where JOHN played, so they may be of other bands that played the concert as well.
Bearded Theory's Spring Gathering 2022 May 26 - 29, 2022 Walton-on-Trent, UK Uploaded by Willyporter
Viagra Boys / JOHN May 13, 2022 Bristol, England, United Kingdom Uploaded by Oscarwilkinson
