Conversation so far:
who won ai when jennifer hudson was on
Fantasia Barrino was the winner of American Idol Season 3 on May 26, 2004.
what song did Fantasia Barrino end the American Idol season 3 finale with
Fantasia Barrino sang I Believe on the third season finale of American Idol as her last performance within the competition.

Question: who wrote the song
Self-contained rewrite: who wrote the song I Believe on the third season finale of American Idol