Mr. Hinds, 51, was found unresponsive late Wednesday after an S.U.V. appeared to slam into the motorcycle he was riding near downtown Atlanta, the authorities said.

Brent Hinds, the co-founder of Grammy Award-winning heavy metal band Mastodon, has died after being injured in a motorcycle accident in Atlanta. He was reportedly 51.

Brent Hinds, the former lead guitarist for Mastodon, was killed on Wednesday, August 20, when his Harley-Davidson motorcycle collided with a car in Atlanta at around 11:35 p.m. Police say Hinds was riding his motorcycle when the driver of a BMW SUV failed to yield while making a turn at the intersection of Memorial Drive and Boulevard.