There have been at least two groups named Supersister, the most famous one being a Dutch progressive rock band from the 1970s. The other one is a British girl group.
These are photos from concerts where Supersister played, so they may be of other bands that played the concert as well.
Progfest 2000 / Banco del Mutuo Soccorso / Mona Lisa / Tempos Fugit / Supersister Sep 2, 2000 La Mirada, California, United States Uploaded by Stephenhuerta
