Simon continued to write and record music for films and wrote the theme songs to several more movies, including "Two Little Sisters" from 1996's Marvin's Room and "In Two Straight Lines" from 1998's Madeline.
In 2001, Simon performed on "Son of a Gun" with Janet Jackson on Jackson's album All for You; the song was released as a single and peaked at No. 28 on the Billboard Hot 100.