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'.

Shaking booty since 1973, KC and the Sunshine band have been dedicated to bringing the funk and 'Sunshine sound' into people's lives, pushing away the clouds, making listeners happy and getting people dancing! So get ready to tap your toes and smile all night when KC and co bring the party to you this year!

The Irish all-male wonder from producer Sharon Browne, and legendary songwriter/composer Phil Coulter, performs an eclectic mix of songs ranging from the traditional to the contemporary, with some international hits and original material in between. Boasting boy-band good looks and impeccable harmonies, the group delivers traditional Celtic songs and contemporary pop classics as only they know how.

Allen Stone was raised on Gospel and cut his teeth singing in church when he was a youngster, leading the congregation in song with an emotive voice and his trusty acoustic guitar. With the discovery of classic Soul music in his teens, Stone began his transformation into the sensational singer-songwriter he is today. His folksy, bluesy brand of neo-soul combines a vintage aesthetic with an astounding vocal technique.