Donna Jean Godchaux, whose gospel-infused harmonies helped shape the Grateful Dead 's sound in the 1970s and whose voice graced some of rock and soul's most enduring hits, died Sunday, Nov. 2, in Nashville. She was 78.

Donna Jean Godchaux-MacKay, the only female vocalist for The Grateful Dead, has died at age 78.

Godchaux-MacKay appeared at several single-show reunions and tributes with surviving band members.