CMT has released a new trailer for NASHVILLE, which returns for its sixth and final season on Thursday, January 4. In the sneak peek, Juliette (Hayden Panettiere) gets involved in a mysterious new organization while Avery (Jonathan Jackson) struggles to be supportive; Will (Chris Carmack) injects steroids; Deacon and Jessie kiss … oh, and there’s some singing, too. Watch the trailer below, and check out the season premiere on Thursday, January 4.