Question: "Breakthrough" is a song released on May 2, 2011 through Walt Disney Records, an American record label of what group?

Context paragraphs:
Hollywood Records: Hollywood Records, Inc. is an American record label of the Disney Music Group, distributed by the Universal Music Group.  The label focuses in pop, rock, alternative, hip hop, and country genres, as well as specializing in mature recordings not suitable for the flagship Walt Disney Records label.  Founded in 1989, its current roster includes artists such as Jordan Fisher, Zella Day, Queen, Zendaya, Ocean Park Standoff, Dreamers, Bea Miller, Demi Lovato, Martina Stoessel, Breaking Benjamin, Jorge Blanco, Sabrina Carpenter, R5, Olivia Holt, Sofia Carson, Forever in Your Mind, Boy Epic, New Hope Club, Joywave and In Real Life.  The label also releases Marvel Studios's soundtrack and compilation albums in conjunction with Marvel Music.

Breakthrough (Lemonade Mouth song): "Breakthrough" is a song performed by the cast of Lemonade Mouth, formed by Bridgit Mendler, Adam Hicks, Hayley Kiyoko, Naomi Scott and Blake Michael.  The song was written Bryan Todd, Maria Christensen, Shridhar Solanki and Adam Hicks and produced by Twin & Bryan Todd.  It was released as the album's third and final single, releasing on May 2, 2011 through Walt Disney Records.

Pocahontas (soundtrack): Pocahontas: An Original Walt Disney Records Soundtrack is the soundtrack to the 1995 Disney animated film, "Pocahontas".  It was released by Walt Disney Records on May 23, 1995 on CD and audio cassette.  The soundtrack contains songs from the film, including each instrumental song, written by Alan Menken and Stephen Schwartz, and conducted by David Friedman.  The main songs were performed by artists: Judy Kuhn, Mel Gibson, Linda Hunt, Jim Cummings, David Ogden Stiers, and Bobbi Page.  The soundtrack features two hit singles; "Colors of the Wind" performed by singer and actress Vanessa Williams, and the film's love theme song "If I Never Knew You" performed by recording artists Jon Secada and Shanice.

The Muppets (soundtrack): The Muppets: An Original Walt Disney Records Soundtrack is a soundtrack album released by Walt Disney Records on November 22, 2011 for the musical comedy film "The Muppets".  The soundtrack features five original songs, four re-recordings and remasterings of popular Muppet songs ("The Muppet Show Theme", "Rainbow Connection", and "Mah Nà Mah Nà"), two cover versions of existing songs (Cee Lo Green's "Forget You" and Nirvana's "Smells Like Teen Spirit"), two standalone songs (Paul Simon's "Me and Julio Down by the Schoolyard" and Starship's "We Built This City"), and fifteen dialogue tracks.  It also features the song "Man or Muppet", which won the Academy Award for Best Original Song.  The soundtrack was also nominated for Best Compilation Soundtrack for Visual Media at the 55th Grammy Awards.

Mulan (soundtrack): Mulan: An Original Walt Disney Records Soundtrack is the soundtrack for the 1998 Disney animated feature film, "Mulan".  Released by Walt Disney Records on June 2, 1998, the album featured songs by Matthew Wilder and David Zippel, conducted by Paul Bogaev, and score composed and conducted by Jerry Goldsmith.  Vocalists included Lea Salonga, Donny Osmond, 98 Degrees, Jaz Coleman, Stevie Wonder and Christina Aguilera.

Walt Disney Records: Walt Disney Records is an American record label of the Disney Music Group.  The label releases soundtrack albums from The Walt Disney Company's motion pictures, television series, theme parks, and traditional studio albums produced by its roster of pop, teen pop, and country artists.

Derezzed: "Derezzed" is an instrumental song written, produced and performed by Daft Punk for the soundtrack of the motion picture "", available on the .  As a pre-order bonus for the album on the iTunes Store, "Derezzed" was released by Walt Disney Records as a single on December 8, 2010.  It was remixed by The Glitch Mob and Avicii for the remix albums "" and "Dconstructed".  "Derezzed" was also included on a 4-track vinyl EP titled "Translucence", released by Walt Disney Records.

Walt Disney Records: The Legacy Collection: Walt Disney Records The Legacy Collection is a compilation album series produced and released by Walt Disney Records.  The album series commemorates distinct anniversaries of Disney films and the 60th anniversary of Disneyland.  Each individual title features original artwork and illustrations by Walt Disney Animation Studios visual development artist, Lorelay Bové.  A majority of the releases feature "The Lost Chords"; newly recorded tracks done in-house by Disney staff musicians of originally discarded songs and produced to sound period-appropriate to their album counterparts.  The first entry in the series—dedicated to "The Lion King"—was released on June 24, 2014.  The thirteenth and currently most recent volume in the series—dedicated to "Robin Hood"—was released on August 4, 2017.  The entirety of the original twelve-volume series was released as a box set on November 15, 2015.

Disney Music Group: Disney Music Group (DMG) is the music production arm of Walt Disney Studios, a division of The Walt Disney Company.  The division's subsidiaries consist of two owned record labels—Walt Disney Records, Hollywood Records—and Disney Music Publishing, the publishing entity that administers the company's music, as well as Disney Concerts.  The president of the group is Ken Bunt, who reports to Alan F. Horn, the chairman of The Walt Disney Studios.  It is currently headquartered in the Frank G. Wells Building at The Walt Disney Studios in Burbank.

Brother Bear (soundtrack): Brother Bear: An Original Walt Disney Records Soundtrack is the soundtrack to Disney's 2003 animated feature film "Brother Bear".  It contains the film's music composed by Mark Mancina and Phil Collins, as well as songs written by Collins, and performed by Tina Turner, The Blind Boys of Alabama, Oren Waters, The Bulgarian Women's Choir, and even Collins himself.  Much of the soundtrack in the film consists of the songs performed by Collins as a montage, much like what was done with the earlier Disney soundtrack to film "Tarzan", but not entirely.  The album was released on October 21, 2003 by Walt Disney Records.

Supporting paragraphs: Breakthrough (Lemonade Mouth song) Walt Disney Records
Answer: Disney Music Group