WATCH: Marc Anthony And Tony Bennett's Emotional Duet "For Once In My Life"

Tony Bennett made sure to enlist the best of the best Latino pop icons for his upcoming duets album, Viva Duets, including two-time Grammy-winner, Marc Anthony.

The Puerto Rican singer and legendary vocalist hit the studio for the romantic ballad, “For Once In My Life.” The video, which premiered yesterday, features raw studio outtakes of the talented stars in action.

Their voices mesh together beautifully, and remind us why they have sold multi-million gold and platinum albums combined.

When it came to recording with a veteran like Tony, Marc told ET Online, "The difficult part is to actually stand next to him and not fall short. You get to record with Mr. Bennett--don't screw it up. You feel more exposed than ever."

The Viva Duets album, in stores October 22, also includes collaborations by Thalia, Christina Aguilera, Juan Luis Guerra, Romeo Santos, and more.

Watch Marc Anthony and Tony Bennett master and give new life to the classic love song, “For Once In My Life,” below!