Grateful Dead Founding Member Bob Weir Dies at 78

Bob Weir of Dead & Company performs at Bonnaroo Music and Arts Festival on Sunday, June 12, 2016, in Manchester, Tenn. Amy Harris/Invision/AP,File

LOS ANGELES—Bob Weir, guitarist, singer and founding member of the Grateful Dead, has died at age 78.

Weir’s death was announced Saturday in a statement on his Instagram page.