D.A.R.Y.L. is a 1985 American science fiction film written by David Ambrose, Allan Scott and Jeffrey Ellis. It was directed by Simon Wincer and stars Barret Oliver, Mary Beth Hurt, Michael McKean, Danny Corkill, and Josef Sommer. The original music score was composed by Marvin Hamlisch.
Michael McKean won an Oscar for best musical score for his work in this movie. 
Michael McKean didn't compose the musical score for this movie so couldn't have won an Oscar for that category. 