There are at least three bands who perform under the name Blonde On Blonde:
These are photos from concerts where Blonde On Blonde played, so they may be of other bands that played the concert as well.
Isle of Wight Festival 1969 Aug 29 - 31, 1969 Ryde, England, United Kingdom Uploaded by Zimtrim
Isle of Wight Festival 1969 Aug 29 - 31, 1969 Ryde, England, United Kingdom Uploaded by Brian Lr
Programme for the Isle Of Wight Festival, 1969
Isle of Wight Festival 1969 Aug 29 - 31, 1969 Ryde, England, United Kingdom Uploaded by Cracky