"Arthur's Theme (Best That You Can Do)" is a song performed and co-written by American singer-songwriter Christopher Cross as the main theme for the 1981 film Arthur, starring Dudley Moore and Liza Minnelli. Wikipedia
Composers: Christopher Cross, Carole Bayer Sager, Peter Allen, and more
Lyricist: Christopher Cross
Recorded: 1981
Featured in film: Arthur
B-side: "Minstrel Gigolo"
Genre: Pop
Label: Warner Bros.