VIDEO: First Look & Song List for ONCE UPON A TIME's Musical Episode!

ABC has shared a first look at the highly-anticipated musical episode of ONCE UPON A TIME entitled "The Song in Your Heart". In the episode, in flashback, Snow and Charming make a special wish that Emma will be protected. The result of their wish has the whole kingdom bursting into song which infuriates the Evil Queen. Meanwhile in Storybrooke, the Black Fairy announces her plans to unleash another curse on the town while Emma and Hook prepare for their wedding. The episode airs SUNDAY, MAY 7 (8:00-9:00 p.m. EDT), on The ABC Television Network. Check out the sneak peek below!

Below, check out the complete song list:

1. "Powerful Magic" - Ginnifer Goodwin, Josh Dallas
2. "The Queen Sings" - Lana Parrilla, Lee Arenberg, Tony Amendola, Beverley Elliott, Ginnifer Goodwin, Josh Dallas
3. "Love Doesn't Stand a Chance" - Lana Parrilla
4. "Revenge Is Gonna Be Mine" - Colin O'Donoghue, pirates
5. "Wicked Always Wins" - Rebecca Mader
6. "Charmings vs. Evil Queen" - Ginnifer Goodwin, Josh Dallas, Lana Parrilla
7. "Emma's Theme" - Jennifer Morrison
8. "A Happy Beginning" - Jennifer Morrison, Colin O'Donoghue, Ginnifer Goodwin, Josh Dallas, Lana Parrilla, Rebecca Mader, Jared Gilmore, Once Upon a Time: The Musical Episode Chorus

(Source: EW)

"Once Upon a Time" stars Ginnifer Goodwin as Snow White/Mary Margaret, Jennifer Morrison as Emma Swan, Lana Parrilla as the Evil Queen/Regina, Josh Dallas as Prince Charming/David, Emilie de Ravin as Belle, Colin O'Donoghue as Hook, Jared S. Gilmore as Henry Mills, Rebecca Mader as the Wicked Witch/Zelena and Robert Carlyle as Rumplestiltskin/Mr. Gold.

Guest starring are Lee Arenberg as Leroy/Grumpy, Tony Amendola as Marco/Geppetto, Keegan Connor Tracy as Mother Superior Blue Fairy, Raphael Sbarge as Archie/Jiminy Cricket, Beverly Elliott as Granny, David Avalon as Doc, Gabe Khouth as Mr. Clark/Sneezy, Faustino Di Bauda as Walter/Sleepy, Michael Coleman as Happy, Mig Macario as Bashful, Giancarlo Esposito as Sydney/Mirror, Christopher Gauthier as William Smee, Jaime Murray as Black Fairy, Jack Davies as Young Pinocchio, McKenna Grace as Young Emma and Ari Guzhel as Older Girl.

"The Song in Your Heart" was written by David H. Goodman and Andrew Chambliss and directed by Ron Underwood.

Music written by Michael Weiner and Alan Zachary and Mark Isham composes.

"Once Upon a Time" is broadcast in 720 Progressive (720P), ABC's selected HDTV format with a 5.1 channel surround sound. A TV parental guideline will be assigned closer to the airdate.