Kelsea Ballerini will team with Halsey for the 70th episode of CMT Crossroads.

The episode will be taped at Nashville’s Ascend Amphitheater on Oct. 11. The concert is open to the public on a first-come, first-served basis. Doors open at 6 p.m. and close at 7:30 p.m. for the concert that’s slated to end at 9 p.m.

The cross-genre stars are expected to collaborate on each other’s hits, share stories and more. While Kelsea, 26, has scored five No. 1 hits on the country charts since dropping her debut album in 2015, Halsey, 25, has earned a handful on No. 1 songs on the pop charts since releasing her 2015 debut album, including “Him & I,” “Eastside” and more.