Brian Auger & The Trinity was a British jazz/jazz-rock fusion band formed in Nov. 1964 and led by keyboardist Brian Auger. In addition to Auger, the original members were Micky Waller (drums) and Ricky Brown (bass).
These are photos from concerts where Brian Auger & The Trinity played, so they may be of other bands that played the concert as well.
Grand Funk Railroad / Brian Auger & The Trinity / The Litter / 4 Days and Night Jul 10, 1970 Chicago, Illinois, United States Uploaded by Zimtrim
Brian Auger & The Trinity / Wild Thing Jun 20, 1970 Island Park, New York, United States Uploaded by Zimtrim
Grand Funk Railroad / Canned Heat / The Amboy Dukes / brownsville station / Buddy Miles Express / Brian Auger & The Trinity / The Stooges Mar 20, 1970 Bloomington, Minnesota, United States Uploaded by Zimtrim