The name Palladium has been used by several bands
These are photos from concerts where Palladium played, so they may be of other bands that played the concert as well.
Palladium / The Chainsmokers Mar 13, 2014 Minneapolis, Minnesota, United States Uploaded by Made Ona Ufo
Collective Soul / Palladium Sep 8, 2001 Sydney, New South Wales, Australia Uploaded by Sacstracks
The Superjesus / Eskimo Joe / Palladium Mar 20, 2001 Eastwood, NSW, Australia Uploaded by Sacstracks