There are multiple artists with this name
These are photos from concerts where Looking Glass played, so they may be of other bands that played the concert as well.
Ten Years After / Looking Glass / Edgar Winter Aug 6, 1971 New York, New York, United States Uploaded by Zimtrim
Ten Years After / Looking Glass / Edgar Winter Aug 6, 1971 New York, New York, United States Uploaded by Rock's In My Head
