 Jackson was a fan of The Simpsons , especially Bart , and had called the producers one night offering to write Bart a number one single and do a guest spot on the show , which is how " Do the Bartman " came about . Jackson eventually guest @-@ starred in the episode " Stark Raving Dad " ( season three , 1991 ) under the pseudonym John Jay Smith . He also wrote a song for that episode called " Happy Birthday Lisa " , which was later included in the album Songs in the Key of Springfield . Bryan Loren has stated that Jackson had provided background vocals for " Do the Bartman " . 
