According to TV Line, Earle appears as himself in an upcoming episode to offer sage songwriting advice to star Sam Palladio's character, Gunnar Scott. "Gunnar has been really struggling to write... He's trying to get his writing hat back on and feel connected to what he's doing," Palladio says to TV Line. "Gunnar ends up sitting down (with Earle) and getting some songwriter advice."
Earle giving a younger songwriter a boost comes across as believable, considering the kind words he says about Colter Wall. Plus, his appearance loosely ties back to season one, during which Scott performed Earle's "If Mama Coulda Seen Me."
It marks Earle's return to the small screen. Past roles including recurring roles on The Wire and Treme and guest appearances on Law & Order: SVU and 30 Rock. He's not the first Americana hero to appear on Nashville. Rhiannon Giddens played a major recurring role in season five.
Like season five, the final season airs in two sets of eight episodes. The first half aired in January and February. The final eight episodes of the season and series will air between June 7 and July 26.
Now Watch: Stephanie Quayle Performs 'Selfish'