See Supersister.
These are photos from concerts where Super Sister played, so they may be of other bands that played the concert as well.
West Bruce & Laing / Super Sister Mar 31, 1973 Rotterdam, South Holland, Netherlands Uploaded by Zimtrim
Deep Purple / Super Sister Jan 2, 1971 Amsterdam, North Holland, Netherlands Uploaded by Zimtrim
Deep Purple / Super Sister Jan 1, 1971 Rotterdam, South Holland, Netherlands Uploaded by Zimtrim
