There are multiple artists called Heidi:
These are photos from concerts where Heidi played, so they may be of other bands that played the concert as well.
Movement 2023 Day 3 May 29, 2023 Detroit, Michigan, United States Uploaded by Nolaaaaa
Sam Fender / Heidi Aug 12, 2021 Bristol, England, United Kingdom Uploaded by Rory Bishop
Sam Fender / Heidi Aug 11, 2020 Newcastle upon Tyne, England, United Kingdom Uploaded by Faye Kennedy
Bestival 2015 Sep 10 - 13, 2015 Downend, Isle of Wight, UK Uploaded by A Badger Faced Man
Exit Festival 2009 Jul 9 - 12, 2009 Novi Sad, Vojvodina, Serbia Uploaded by Gheger