Mariah Carey & Mom Patricia Carey “O Come All Ye Faithful” Duet [AUDIO]

Songbird Mariah Carey has teamed up with her equally vocally-inclined mom — opera singer Patricia Hickey Carey — for the holiday classic “O Come All Ye Faithful.” The Careys’ adaptation of the Christmas hit is featured on Mariah’s new album, Merry Christmas II You, in stores Nov. 2. “We discussed doing a duet and I