Question: The teenage singer showcased in the musical Delightfully Dangerous was a contract player for what company?

Context paragraphs:
Delightfully Dangerous: Delightfully Dangerous is a 1945 American musical film directed by Arthur Lubin showcasing teenage singer Jane Powell—in her second film on loan out to United Artists from MGM—and orchestra leader Morton Gould.  The working titles of this film were "Cinderella Goes to War", "Reaching for the Stars" and "High Among the Stars".  It was Frank Tashlin's first writing credit on a live action feature film.

Song of the Open Road: Song of the Open Road is a 1944 musical comedy film directed by S. Sylvan Simon, from a screenplay by Irving Phillips and Edward Verdier.  It was the debut film of teenage singer Jane Powell.  Powell's real name was Suzanne Burce, but prior to the release of this film MGM assigned her the stage name "Jane Powell" (the name of the character she portrays in this film).

Call Me Mr. Telephone (Answering Service): Call Me Mr. Telephone (Answering Service) is a 1985 single by the American teenage singer, Cheyne, which was produced by Mark Kamins and Stephane Gerbier, and written by Nicolosi Giuseppe and Tony Carrasco (credited as Answering Service).

George Tobin: George Tobin is an American record producer who has produced albums for a long list of musical artists including Robert John, Smokey Robinson, Kim Carnes, Kicking Harold, and PC Quest.  He is best known, however, for discovering, managing, and producing the teenage singer Tiffany and showcasing her in malls across the country.  From the 1980s, Tobin owned a large recording studio complex in North Hollywood, California, which was frequently rented by people making demo tapes and radio commercials.  Tiffany was recording a demo at the studio at age 12 when Tobin heard her and decided that she could be a star; soon, he was managing and producing her.  Under Tobin's management, Tiffany released two very successful albums, ("Tiffany" and "Hold an Old Friend's Hand"), and toured for two years with New Kids on the Block.  In 1993 she recorded one more album ("Dreams Never Die") under Tobin's production.

Jane Powell: Jane Powell (born Suzanne Lorraine Burce; April 1, 1929) is an American singer, dancer and actress who rose to fame in the mid-1940s with roles in various musicals as a contract player for Metro-Goldwyn-Mayer pictures.

Whaddup A.. '?!: Whaddup A.. ' ?!  is the fifth studio album by Indonesian singer Agnes Monica, released in 2005.  The album got triple platinum with collaboration from American singer-songwriter, Keith Martin.  This album shown the transformation from her 'teenage singer' persona, to a more mature concept.  This album was also named as the best album of its era.  It became her most experimental album, which included many genres, Pop, R&B, urban and dance-pop including pop rock and power ballad, also Eastern sounds.  Despite having no album promotions in Malaysia, her album, "Whaddup A’. .  ?!"  was still a huge success which caused the album to be re-released with the new concept, and VCD bonus.

Ridin' on a Rainbow: Ridin' on a Rainbow is a 1941 American Western musical film directed by Lew Landers and starring Gene Autry, Smiley Burnette, and Mary Lee.  Based on a story by Bradford Ropes, the film is about a singing cowboy whose investigation of a bank robbery takes him to a showboat, where he finds that a teenage singer's father has been working with the robbers to provide for her future.  The film received an Academy Award nomination for best original song for "Be Honest with Me" (Gene Autry, Fred Rose).

The Secret Sisters (album): The Secret Sisters is a 2010 album by American country music duo The Secret Sisters.  Produced by Dave Cobb and T Bone Burnett, the album consists of ballads, originals, and cover songs such as "Why Don't You Love Me", "Why Baby Why", and the Frank Sinatra song "Somethin' Stupid".  The album also includes two originals written by Laura Rogers: "Tennessee Me" and "Waste the Day".  Also included is a cover of the 60s rock song by then teenage singer Nancy Baron, "I've Got a Feeling", written by Wally Zober and C. Laverne.

Jerry Goldstein (producer): Gerald "Jerry" Goldstein (born February 17, 1940) is an American producer, singer-songwriter, talent manager, music executive, musician and entrepreneur.  He was one of the members of The Strangeloves, the co-writer of "My Boyfriend's Back" (a hit song in 1963 for The Angels) and "Come on Down to My Boat", the producer and songwriter of War, and the former manager of Sly and the Family Stone.  Goldstein produced a single with teenage singer, Nancy Baron in 1963 ("where did my Jimmy go?" /"Ta la la, I love you") for the Diamond Record label.  Goldstein was part of a three-person production team which wrote and produced numerous records which are referred to as "FGG"-Feldman, Goldstein and Gottehrer.  The numerous artists and their work in collaboration with FGG are listed in a Discography included in the references below.

Bobby's Girl (song): "Bobby's Girl" is a song and single written by Gary Klein and Henry Hoffman and performed by American teenage singer, Marcie Blane.

Supporting paragraphs: Delightfully Dangerous Jane Powell
Answer: Metro-Goldwyn-Mayer pictures