CREATOR SHONDA RHIMES AND THE "GREY'S ANATOMY" CAST AND TEAM PRESENT SOMETHING SEVEN YEARS IN THE MAKING, "GREY'S ANATOMY: THE MUSIC EVENT"

Featuring the "Grey's Anatomy" Cast -- Including Tony� Award Winner Sara Ramirez, Kevin McKidd, Chandra Wilson and Chyler Leigh -- Performing the Music That Has Touched the Hearts of "Grey's" Fans Throughout the Years

Kate Walsh ("Private Practice") Returns

"Song Beneath the Song" - In a series first, the music that has been at the heart of the show and been beloved by fans comes to life for Grey's Anatomy: The Music Event. A cataclysmic event rattles the doctors of Seattle Grace to the core, as Callie, on the verge of an enormous life-changing moment with Arizona, envisions her hospital and friends as it has never-been-seen before. "Chasing Cars" (Snow Patrol), "How to Save a Life" (The Fray) and "The Story" (Brandi Carlile) are among the songs performed by the cast in one of the most special hours of "Greys Anatomy" yet, THURSDAY, MARCH 31 (9:00-10:01 p.m., ET) on the ABC Television Network.

A sneak peek track will be made available on iTunes Tuesday, March 29. The entire Grey's Anatomy: The Music Event soundtrack - as performed by the cast - will be released Thursday, March 31. In celebration of the Music Event, abc.com will feature exclusive video content in the days leading up to the episode, including an ABC Music Lounge homepage takeover on Thursday, March 24.

"Grey's Anatomy" stars Ellen Pompeo as Meredith Grey, Patrick Dempsey as Derek Shepherd, Sandra Oh as Cristina Yang, Justin Chambers as Alex Karev, Chandra Wilson as Miranda Bailey, James Pickens, Jr. as Richard Webber, Sara Ramirez as Callie Torres, Eric Dane as Mark Sloan, Chyler Leigh as Lexie Grey, Kevin McKidd as Owen Hunt, Jessica Capshaw as Arizona Robbins, Kim Raver as Teddy Altman, Jesse Williams as Jackson Avery and Sarah Drew as April Kepner.

Special guest star Kate Walsh as Addison. Also guest starring Rachael Taylor as Dr. Lucy Fields, Daniel Sunjata as Eli and Scott Foley as Henry. Co-starring Payton Silver as Dr. Knox.

"Song Beneath the Song" was written by Shonda Rhimes and directed by Tony Phelan.

"Grey's Anatomy" is broadcasted in 720 Progressive (720P), ABC's selected HTV format, with 5.1-channel surround sound. A TV parental guideline will be assigned closer to airdate.

For more information on "Grey's Anatomy" please visit ABC.com.