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 Dead for much of the ...
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 Dead for much of the ...