The 47th Annual Academy of Country Music is taking the 'two voices are better than one' approach, with various duets and collaborations planned for the awards ceremony this Sunday (April 1). Pairing up for the evening will be show co-host Blake Shelton with Lionel Richie, Rascal Flatts and actor/musician Steve Martin, Toby Keith with "surprise Las Vegas guest performers," as well as Kenny Chesney and Tim McGraw.

Blake and his legendary accomplice will sing 'You Are,' which appears on Lionel's recently released album, 'Tuskegee.' The performance will also be included in the TV special 'ACM Presents: Lionel Richie and Friends - In Concert,' which will air April 13 on CBS.

Steve Martin, who is touring this summer with his bluegrass band the Steep Canyon Rangers, will showcase the title instrument of Rascal Flatts' current single, 'Banjo,' during their collaboration.

Toby isn't revealing who will joining him on stage, but he promises that this rendition of 'Red Solo Cup' will be a memorable one. And, Kenny and Tim are keeping details of their duet quiet, but expect the Brothers of the Sun tourmates to bring something special.

In addition, as announced earlier this week, Martina McBride will be joined by Train's Pat Monahan for 'Marry Me.' Their groundbreaking performance will include a live wedding on stage.

The ACM Awards air live on CBS this Sunday (April 1), beginning at 8PM ET.



Watch the Couple to Be Married During Martina's Performance

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