There are many artists/bands with the name Blast:
These are photos from concerts where Blast played, so they may be of other bands that played the concert as well.
Honor Role / Blast / Corrosion Of Conformity / SNFU Mar 13, 1987 San Francisco, California, United States Uploaded by Milocampo
Honor Role / Blast / Corrosion Of Conformity / SNFU Mar 13, 1987 San Francisco, California, United States Uploaded by Lilmikesf