REAL-LIFE MUSIC STARS DAN AUERBACH OF THE BLACK KEYS, VINCE GILL, PAM TILLIS, KIP MOORE AND KATE YORK ATTEND DEACON'S SURPRISE BIRTHDAY PARTY, ON ABC'S "NASHVILLE"

Connie Britton as Rayna Performs, Backed Up by Pam Tillis and Kate York as Themselves, JD Souther (as Watty) and Erin McCarley (as Adria)

Kimberly Williams-Paisley Guest Stars as Peggy

"Dear Brother" - Juliette plans a surprise birthday party for Deacon, which is attended by real-life music stars Dan Auerbach (The Black Keys), Vince Gill, Pam Tillis, Kate York and Kip Moore. During the celebration, Rayna sings, backed up by Pam Tillis and Kate York as themselves, Watty White (JD Souther) and Adria (Erin McCarley). However, Juliette's own performance is derailed by her mother. As Rayna and Teddy's divorce moves forward, the tabloids move in, speculating about Rayna's cheating and thrusting her children into the spotlight; Teddy decides to bring Peggy into his mayoral fold and holds a press conference to make it look like it's all business; and Gunnar's brother charms Scarlett with his singing, on "Nashville," WEDNESDAY, MARCH 20 (10:00-11:00 p.m. ET) on ABC. (Rebroadcast. OAD: 2/27/13)

"Nashville" stars Connie Britton as Rayna Jaymes, Hayden Panettiere as Juliette Barnes, Clare Bowen as Scarlett O'Connor, Eric Close as Teddy Conrad, Charles Esten as Deacon Claybourne, Jonathan Jackson as Avery Barkley, Sam Palladio as Gunnar Scott, Robert Ray Wisdom as Coleman Carlisle and Powers Boothe as Lamar Wyatt.

Guest starring Vince Gill, Pam Tillis, Dan Auerbach, Kip Moore, Kate York as themselves, Kimberly Williams-Paisley as Peggy Kenter, Judith Hoag as Tandy Conrad, JD Souther as Watty White, Sylvia Jefferies as Jolene Barnes, Maisy Stella as Daphne, Lennon Stella as Maddie, David Alford as Bucky, David Clayton Rogers as Jason, Kourtney Hansen as Emily, Erin McCarley as Adria and Marcus Lewis as Joe the Bouncer.

"Dear Brother" was written by Nancy Miller & Dana Greenblatt and directed by Jonathan Pontell.

"Nashville" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1 channel surround sound.This program carries a TV-PG,D,L parental guideline.

This episode of "Nashville" will be available on ABC.com the day after air for users to watch online. For more information on "Nashville" visit ABC.com/Nashville.