Answer: incidentalmusic

AnswerCrossword Clue
INCIDENTALMUSICSoundtrack segments
INCIDENTALMUSICMendelssohn's contribution to a "Midsummer Night's Dream."
INCIDENTALMUSICGrieg's "Peer Gynt," e.g.
INCIDENTALMUSICStrings, perhaps, in a romance film