S4, E12: A familiar face is back on the Nashville music scene when Luke recruits his old friend Riff Bell (played by Tony Award-winning actor, singer, musician Steve Kazee) to join him on tour. While the duo excitedly starts planning Riff’s return to the stage, newcomer Vita arrives at The Beverly, but while she convinces Deacon and Rayna she deserves a shot, Frankie has his doubts. In the end, more questions than answers remain. Radio personality Buzz Brainard also guest stars as himself.