There are at least six artists sharing the name of Flare:
These are photos from concerts where Flare played, so they may be of other bands that played the concert as well.
Steamhammer / Black Sabbath / Gin House / Flare Apr 5, 1970 London, England, United Kingdom Uploaded by Zimtrim
Free / Flare Apr 4, 1970 Birmingham, England, United Kingdom Uploaded by Zimtrim
