Incidental music is really an interrupted
film-score. Whereas in a film, the music
is very much part of the fabric, in plays, it
forms an interesting relationship with the
spoken and never takes over as such except
to aide a scene-change or an interval. At this
point though it has almost more importance than
the film-score because it 'stands alone' for a while
before disappearing altogether until the next moment
when it will hide the shuffling of backstage feet or the
cranking of some machinery as well as keep the interest
of the audience... it can be more of a challenge to
write because of the natural limitations of duration & scal