Donna Jean Godchaux-MacKay, Grateful Dead Singer, Dies at 78
					She helped shape the band’s sound in the 1970s, a decade that took the band to new heights.
The Grateful Dead performing on “Saturday Night Live” in 1978. From left, Bob Weir, Phil Lesh, Ms. Godchaux-MacKay and Jerry Garcia.  
				
							
© Fred Hermansky/NBC/NBCU Photo Bank