There are at least 3 bands named Gravemind.
These are photos from concerts where Gravemind played, so they may be of other bands that played the concert as well.
Unify Festival Jan 11 - 13, 2019 Tarwin Lower, Victoria, Australia Uploaded by 3000tapes
Butterfingers at The Elephant Hotel 04/09/18
BIGSOUND Festival Sep 4 - 6, 2018 Fortitude Valley, Queensland, Australia Uploaded by Stephen Fay
Gravemind at 256 Wickham. 06/09/18
Sleep Talk at Crowbar. 04/09/18