2001's thrash of the titans benefit spotlighted several bay area thrash bands reuniting to raise money for testament singer chuck billy
a [metal] scene started in the early 1980s in the san francisco, ca bay area by [thrash] bands like metallica, testament, exodus, heathen, vio-lence, and many others
"2001's thrash of the titans benefit spotlighted several bay area thrash bands reuniting to raise money for testament singer chuck billy" What is the definition of "bay area thrash"?