SAN FRANCISCO, CA - APRIL 01: Drummer Gene Hoglan of Testament performs at Grand Regency Ballroom on April 1, 2015 in San Francisco, California. (Photo by Miikka Skaffari/WireImage)
SAN FRANCISCO, CA - APRIL 01: Drummer Gene Hoglan of Testament performs at Grand Regency Ballroom on April 1, 2015 in San Francisco, California. (Photo by Miikka Skaffari/WireImage)