Over the years, Macy Gray has sung backup vocals for several artists including Al Green, Michael Jackson, David Bowie and Prince. She has also volunteered at an AIDS hospice in Los Angeles.

In her early years, Macy Gray was a backing vocalist for Al Green and Michael Jackson. She had provided background vocals for David Bowie’s song “Tonight”.

She has also recorded a duet with Prince, “Love, Sex and Money”. She was selected by Prince to sing on his 2006 album Planet Earth.

Macy Gray is known for her unique vocal rasp and the high tones in her voice which she has been described as sounding like “a human kazoo”,