The Bay Strikes Back Tour with Testament, Exodus, and Death Angel

Testament is an American thrash metal band from Berkeley, California. Formed in 1983 under the name Legacy, the band's current lineup comprises guitarists Eric Peterson and Alex Skolnick, lead vocalist Chuck Billy, drummer Gene Hoglan, and bassist Steve Di Giorgio. Since its inception, Testament has had numerous lineup changes, leaving Peterson as the only constant member. Billy replaced original singer Steve "Zetro" Souza in 1986, prior to the recording of their first studio album, The Legacy, and has been a member of the band since. He and Peterson are the only members to appear on all of Testament's studio albums.