John Doe refers to (at least) five different artists:
These are photos from concerts where John Doe played, so they may be of other bands that played the concert as well.
Los Lobos / John Doe Dec 7, 2002 San Francisco, California, United States Uploaded by Hedspace71
Los Lobos / John Doe Dec 6, 2002 San Francisco, California, United States Uploaded by Gary Joann Elgin
Los Lobos / John Doe Dec 6, 2002 San Francisco, California, United States Uploaded by Hedspace71