There are at least FOUR bands and a one-man project called Triangle:
These are photos from concerts where Triangle played, so they may be of other bands that played the concert as well.
The Shins / Beachwood Sparks / Triangle Jul 27, 2002 Detroit, Michigan, United States Uploaded by Daniel Sylvester
Steppenwolf / Charlebois / Triangle / Life Jun 23, 1969 Montréal, Québec, Canada Uploaded by Zimtrim
