The world's first country a cappella group had a phenomenal start to their career, winning NBC's The Sing-Off in 2013. Since then they've released five studio albums, including Country Evolution, which hit the No.4 spot on the Top Country Albums chart and featured unique Home Free takes on Dolly's '9 to 5', and 'The Devil Went Down to Georgia'.

Austin-born singer-songwriter Parker McCollum is relatively new on the scene, releasing his debut album, 'The Limestone Kid', in early 2015. But don't let that fool you - he's swiftly become one of country musics' ones to watch. Make a date to see this rising star live on stage and discover what makes him such a special new sound.