From "Rule Sixteen" of the "Special Rules for The Music Awards"
Original Score:
An original score is a substantial body of music in the form of dramatic underscoring[?] written specifically for the film by the submitting composer.
... are married couples living together, 6.8% have a female householder with no husband present, and 37.6% are non-families. 27.7% of all households are made up of individuals ...