Question: Harish Raghavendra is an example of what term for a singer whose singing is pre-recorded for use in movies? 

Context paragraphs:
Harish Raghavendra: Harish Raghavendra (born 7 January 1976) is an Indian vocalist and actor from Chennai, India.  He is the son of photographer P.V Raghavendran.  Harish is best known for his songs like "Hey Azhagiya Theeyee" from Minnale, "Nirpadhuve Nadapadhuve" from Barathi, "Devathayai Kanden" from Kadhal Kondein, "Sakkarai Nilave" from Youth, "Melliname Melliname" from Shahjahan and "Anbe Enn Anbe" from Dhaam Dhoom.  He has also acted in a few Tamil Movies.  He debuted as an actor in "Vikadan" directed by Arun Pandiyan in which he played the lead role.  He also played a brother-role for Ajith Kumar in "Thirupathi", which was written and directed by Perarasu.

Rob Halford: Robert John Arthur Halford (born 25 August 1951) is an English singer and songwriter, who is best known as the lead vocalist for the Grammy Award-winning heavy metal band Judas Priest and famed for his powerful wide-ranging voice.  AllMusic says of Halford: "There have been few vocalists in the history of heavy metal whose singing style has been as influential and instantly recognizable", possessing a voice which is "able to effortlessly alternate between a throaty growl and an ear-splitting falsetto".  Halford was voted number 33 in the greatest voices in rock by Planet Rock listeners in 2009.  In addition to his work with Judas Priest, he has been involved with several side projects, including Fight, 2wo and Halford.  In 1998, he came out as gay in an interview with MTV News.

Mayumi Morinaga: Mayumi Morinaga (森永真由美 , Morinaga Mayumi , born 19 September 1981) is a singer whose career began in the late 2000s singing video game soundtracks.  She debuted with her first single, "One Million Miles" in 2006, when she first collaborated with the group Another Infinity.  She decided to become a singer in 1994, when she won a singing competition in junior high school.  Her album "Glitter" peaked at number 31 on the Oricon chart.

William Walker (baritone): William Sterling Walker (October 29, 1931 – April 10, 2010) was a baritone with the Metropolitan Opera (1962–1980) whose singing career included performances at the White House, at Carnegie Hall and other concert venues across North America and Europe, and some 60 appearances on "The Tonight Show Starring Johnny Carson".  From 1991-2002, he produced opera as General Director of Fort Worth Opera in Fort Worth, Texas.

One Touch of Venus (film): One Touch of Venus is a 1948 American black-and-white romantic musical comedy film directed by William A. Seiter starring Robert Walker, Ava Gardner and Dick Haymes.  released by Universal-International, and based on the Broadway musical of the same name, book written by S. J. Perelman and Ogden Nash, with music composed by Kurt Weill (lyrics by Nash).  However, the film omits most of Weill's music.  The actors did their own singing, except for Ava Gardner (Venus) whose singing was dubbed by Eileen Wilson.  The plot is from an original story by Thomas Anstey Guthrie.

Khushi (2003 Kannada film): Khushi (Kannada: ಖುಷಿ ) is a 2003 Indian Kannada romance film starring Vijay Raghavendra, Tarun Chandra, Harish and Sindhu Menon in the lead roles along with Ananth Nag and Avinash in other prominent roles.  The film is directed by the debutant film maker Prakash.  The score and soundtrack was by Gurukiran whose compositions were appreciated by critics and masses.  The film eventually went on to become one of the huge musical hits of the year 2003.

See the USA in Your Chevrolet: The song "See The U.S.A.  In Your Chevrolet" (title as filed for 1950 copyright) is a commercial jingle from c. 1949, with lyrics and music by Leo Corday (ASCAP) and Leon Carr (ASCAP), written for the Chevrolet Division of General Motors.  The song was the Chevrolet jingle sung on the show "Inside U.S.A. with Chevrolet" by Chevrolet's real-life husband-wife duo, Peter Lind Hayes and Mary Healy, years before it became associated with Dinah Shore through Chevrolet's decade-long sponsorship of her television shows.  Dinah Shore sang the song after 1952, and it became something of a signature song for her.  Later the song was also sung by male spokesman Pat Boone on his "Pat Boone-Chevy Showroom" (ABC) from 1957 through 1960.  When the games of the Los Angeles Dodgers were televised in the 1960s, commercials were aired with the song sung by John Roseboro and Don Drysdale, whose singing careers, announcer Vin Scully said, were "destined to go absolutely nowhere."

Leo Sayer: Leo Sayer (born Gerard Hugh Sayer, 21 May 1948) is a British-born singer-songwriter musician and entertainer whose singing career has spanned four decades.  He is now an Australian citizen and resident.

Vikadan: Vikadan is a 2003 Indian Tamil thriller film written and directed by Arun Pandian.  Playback singer Harish Raghavendra played the lead role, alongside Arun Pandian, gayathri raghuram, Radhika Chaudhari and Uma.

Playback singer: A playback singer is a singer whose singing is pre-recorded for use in movies.  Playback singers record songs for soundtracks, and actors or actresses lip-sync the songs for cameras; the actual singer does not appear on screen.

Supporting paragraphs: Vikadan Playback singer
Answer: Playback singer