There are two bands named Omnium Gatherum.
These are photos from concerts where Omnium Gatherum played, so they may be of other bands that played the concert as well.
Sonata Arctica / Leaves' Eyes / Omnium Gatherum Dec 8, 2016 Englewood, Colorado, United States Uploaded by Jordan Cardona
Draconian / Omnium Gatherum / Year of the Goat / Oceanwake Feb 26, 2016 Weinheim, Baden-Württemberg, Germany Uploaded by Murmlermicha