Tim McGraw is among the latest group of performers tapped to join the bill for the 40th annual Academy of Country Music (ACM) Awards.

Tim McGraw is among the latest group of performers tapped to join the bill for the 40th annual Academy of Country Music (ACM) Awards. Set for May 17 in Las Vegas, the event has also added breakout duo Big & Rich and country crooner Sara Evans to the show, which will be broadcast live on CBS from the Mandalay Bay Resort & Casino Events Center.

They join previously announced performers Alan Jackson, George Strait, Toby Keith and Rascal Flatts.

As previously reported, McGraw leads the field with six nominations, including nods in the entertainer and male vocalist of the year categories. His Curb set "Live Like You Were Dying" is nominated for album of the year, while its title track is up for song, single and video of the year.

Big & Rich are up for top new artist, top vocal duo and video of the year for "Save a Horse (Ride a Cowboy)." Evans is nominated for top female vocalist and album of the year for her RCA set "Restless."

Save for the fan-voted ACM/Home Depot Humanitarian Award at Homedepot.com, ACM Awards nominees and winners are determined by the organization's 3,800-plus members. For a full list of nominees, click here.

In related news, country duo Montgomery Gentry will host the second annual ACM Celebrity Motorcycle Ride, part of the various festivities surrounding the awards ceremony. The half-day May 15 ride will also find Dierks Bentley, Lonestar, the Warren Brothers, Trick Pony's Ira Dean and Mark Wills participating, among others.

Proceeds from the ride will benefit the newly established Academy of Country Music Charitable Foundation, which will be dedicated to the awareness, growth and education of music.