The 2015 CMA Awards are oh-so-close, which means that many top-notch country artists are vying to win the night's awards. The Musical Event of the Year category includes five performances, featuring 10 artists in total who have collaborated on some unforgettable pieces in the past year. Who do you think will take home the trophy?

Country legends Willie Nelson and Merle Haggard worked together on the No. 1 album Django and Jimmie, the follow-up project to their 1983 record Pancho & Lefty. The two outlaws compiled 14 new studio recordings into one often-talked-about record.

Blake Shelton and Ashley Monroe teamed up for “Lonely Tonight,” which they performed at last year's CMA Awards. The No. 1 song is from Shelton's Bringing Back the Sunshine album, and the addition of Monroe's killer vocals helped make this track a contender for this award.

Keith Urban's Grammy-nominated "Raise 'Em Up" features country rocker Eric Church and is a true work of art, definitely worthy of the CMA nod. The cinematic track resonated strongly with both Urban and Church, and the "Like a Wrecking Ball" hitmaker even admits that he wishes he had written the universally appealing song.

Also in contention for Musical Event of the Year is Miranda Lambert's "Smokin' and Drinkin'" which features country quartet Little Big Town. Originally, LBT wanted to cut the tune, but Lambert already had dibs on the track, so she invited them to sing with her on it -- and the result is pretty special. The singer calls it her "party song," but we call it just plain good.

The final nominee for Musical Event of the Year at the 2015 CMA Awards is Kenny Chesney's dreamy hit "Wild Child," featuring Grace Potter. In the song, Chensey takes a stand against the bro-country stereotypes, instead choosing to sing about the woman who's a free spirit and does things her own way.

Who do you think should take home Musician of the Year at the 2015 CMA Awards? Vote as often as once per hour through 11:59PM ET on Oct. 31. We’ll tabulate the results and use them for our 2015 CMA Awards winners predictions the week before the show.

The 2015 CMA Awards are scheduled to air live from Nashville on Nov. 4 at 8PM ET on ABC. For the eighth year, Brad Paisley and Carrie Underwood have been named as the hosts.

Please note: Cheating will not be tolerated, and any voter found to be cheating will have their votes disqualified. A captcha has been put in place to prevent cheating. If you cannot read the captcha, press the top blue button next to it to refresh to a new one, or press the middle blue button to have the polling system read the captcha to you.

2015 CMA Awards Nominees: Surprises and Snubs

Do You Know All of These CMA Awards Facts?