Exclusive: The musical stars are coming out for Kevin Costner and Morgan Freeman’s The Gray House.

Leslie Greif opened the series’ playlist exclusively for Deadline and there is serious star wattage in there, including an original song performed by country music legend Willie Nelson, which closes the series. Elsewhere, Shania Twain, Killer Mike and Yolanda Adams are among those to feature, and Jon Bon Jovi co-writes one of the show’s songs.

“My idea was, instead of having one [end] title song, I’m going to have eight different songs by Grammy-winning artists and in different genres of music, which are written for our show and are going to tell a story of that episode,” said Greif, who exec produces and wrote the script with Darrell Fetty, and John Sayles.

Nelson’s “Heart of America” was penned by Erin Enderlin, Jim ‘Moose’ Brown and Jeff Fahey. It closes the limited series,...