Jeffrey Cain was a singer/songwriter who released two albums (For You and Whispering Thunder) on the Raccoon imprint of Warner Bros. run by The Youngbloods.
These are photos from concerts where Jeffrey Cain played, so they may be of other bands that played the concert as well.
Allman Brothers Band / The Youngbloods / Jeffrey Cain May 2, 1971 New York, New York, United States Uploaded by Zimtrim