1) American Power Electronics https://www.stormfront.org/forum/t318156/
These are photos from concerts where Brethren played, so they may be of other bands that played the concert as well.
Jethro Tull / Brethren / Younguns Apr 13, 1971 Atlanta, Georgia, United States Uploaded by Zimtrim
Jethro Tull / Brethren Apr 1, 1971 Minneapolis, Minnesota, United States Uploaded by Zimtrim
Johnny Winter / Brethren Mar 14, 1971 Owings Mills, Maryland, United States Uploaded by Zimtrim
Leon Russell / Brethren / Freddie King Mar 6, 1971 Port Chester, New York, United States Uploaded by Zimtrim
Leon Russell / Brethren / Freddie King Mar 5, 1971 Port Chester, New York, United States Uploaded by Zimtrim
Hot Tuna / Taj Mahal / Brethren Jan 15 - 16, 1971 New York, New York, United States Uploaded by Zimtrim
Hot Tuna / Taj Mahal / Brethren Jan 15 - 16, 1971 New York, New York, United States Uploaded by Rock's In My Head
Mountain / Brethren Dec 22, 1970 Hackensack, New Jersey, United States Uploaded by Zimtrim
John Sebastian / Captain Beefheart & His Magic Band / Brethren Dec 12, 1970 Philadelphia, Pennsylvania, United States Uploaded by Zimtrim
