Testament

testamentlegions.com

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. Testament has experienced many lineup changes over the years, with Peterson being the only remaining original member, though they have since been rejoined by one of its songwriters Skolnick, who was out of the band from 1992 to 2005. Billy replaced original singer Steve “Zetro” Souza (who left the band to join Exodus as the replacement of Paul Baloff) 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, with the latter being the only constant member overall.

Exodus

exodusattack.com

Exodus is an American thrash metal band formed in 1979 in Richmond, California.^[1] Their current lineup consists of guitarists Gary Holt and Lee Altus, bassist Jack Gibson, drummer Tom Hunting, and lead vocalist Steve “Zetro” Souza. 

Death Angel

deathangel.us

Death Angel is an American thrash metal band from Daly City, California, initially active from 1982 to 1991 and again since 2001. Death Angel has released nine studio albums, two demo tapes, one box set and two live albums. The band has gone through several line-up changes, leaving guitarist Rob Cavestany as the only constant member; he and vocalist Mark Osegueda (who joined the group in 1984) are the only members of Death Angel to appear on all of their studio albums.