Answer: instrumental

AnswerCrossword Clue
instrumentalRelating to something's function as an instrument or means to an end
instrumentala nonvocal passage of music
instrumentalOf or relating to an implement or measuring device
instrumentalDenoting or relating to a case of nouns and pronouns (and words in grammatical agreement with them) indicating a means or instrument
instrumental(of music) Performed on instruments, not sung
instrumentalServing as an instrument or means in pursuing an aim or policy
instrumentalRelating to musical instruments