It Wasn’t Michael Jackson’s Voice On The Simpsons was the No 11 pop story of 2011. Here it is: (Gibson) It was not Michael Jackson’s voice that sang “Happy Birthday Lisa” on The Simpsons TV show in 1991. In the episode, “Stark Raving Dad,” Jackson voiced a character who was a mental patient, but was not allowed to sing his own song.
According to NME.com, Jackson had written the song especially for the show, but was blocked by his record company, Sony, from actually singing it.
The singing voice belonged to Jackson impersonator Kipp Lennon, who also voiced Jackson in the TV series The Jacksons: An American Dream. more on this story
Jackson was an early fan of The Simpsons, and his relationship with the show began when Jackson personally called one night to say that he loved Bart and wanted to give him a number one single. Enter “Do the Bartman,” which appeared on the 1990 album The Simpsons Sing The Blues. And MJ came through on his word; although the song did not hit number one in the U.S., it did in several other countries.
For “Stark Raving Dad,” Michael Jackson wanted to be credited under a pseudonym (John Jay Smith). He told the staff that he wanted to do the speaking but not the singing parts “to trick his brothers,” although in reality, he was probably not contractually permitted to sing, as Smith told TMZ on Saturday night. Jackson did not take credit for “Do the Bartman” because of his label contract, which may have included singing restrictions. Jackson did record “Happy Birthday, Lisa” (which he either wrote or co-wrote) at The Simpsons’ studio. The recording is safely snug in the archives. The song in the episode is sung by Kipp Lennon of the band Venice, who has sung numerous times for The Simpsons, including “Flaming Moe’s” and more recently, the track “Waverly Hills” (from the season 20 episode “Waverly Hills 9-0-2-1 D’oh”).
Chris Ledesma, the music editor of The Simpsons, said yesterday via Twitter, “I was amused back then when some reported that MJ did his singing but an impersonator spoke his lines (the reverse is true).”