There are three separate musicians who go by the name of Andy Roberts.
These are photos from concerts where Andy Roberts played, so they may be of other bands that played the concert as well.
Isle of Wight Festival 1970 Aug 26 - 30, 1970 Isle Of Wight, England, United Kingdom Uploaded by Zimtrim
Isle of Wight Festival 1970 Aug 26 - 30, 1970 Isle Of Wight, England, United Kingdom Uploaded by Gary May
Isle of Wight Festival 1970 Aug 26 - 30, 1970 Freshwater, UK Uploaded by Brian Lr