The Swon Brothers

After spending much of 2015 writing and recording, an invitation to join Carrie Underwood on her 2016 tour has inspired the Swon Brothers to work harder than ever before.

The Swon Brothers' set at 2015 WE Fest was all about the ladies, so it's fitting that the new song they revealed was about a girl, too.

Two's company, but three's a crowd -- at least in the realm of country vocal duos, and especially when the five duos competing for Vocal Duo of the Year at the 2015 ACM Awards are perfect just the way they are. While Florida Georgia Line are the most well-known of the bunch, the four other acts are gaining their own massive followings and are ready to battle it out for the prize.

The Swon Brothers, the duo made up of brothers Zach and Colton Swon, earned a coveted spot on the 2015 leg of Brad Paisley's Country Nation World Tour, and the siblings couldn't be happier with the gig.

The Boot rounds up today's top stories from our news partners.

Sam Hunt, the Swon Brothers and more country artists have been added to the ACM Lifting Lives Club Shows lineup for 2015.

The Boot rounds up the day's top stories from our news partners.

In 2013, Florida Georgia Line took home Vocal Duo of the Year at the CMA Awards, but will they nab it a second time around? There are some strong contenders in their category, including two repeats from last year's CMAs.

There are few things more beautiful than the perfectly in-sync vocals of Oklahoma-bred duo the Swon Brothers, made up of real-life brothers Zach and Colton Swon, and they're sharing a stripped-down performance of 'Pretty Beautiful' exclusively with The Boot.

Country stars continue to accept the ice bucket challenge, posting their videos to help raise money and awareness for the ALS foundation.