MacKay, the celebrated musician and mezzo-soprano who spent the '70s as the Grateful Dead's first and only female vocalist, has died. She was 78. Godchaux died on Sunday at a hospice facility in Nashville after a "lengthy struggle with cancer,

Donna Jean Godchaux-MacKay, a soulful mezzo-soprano who provided backing vocals on such 1960s classics as “Suspicious Minds” and “When a Man Loves a Woman” and was a featured singer with the Grateful ...

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