That would be the projectonist, who makes sure the film rolls are changed, this does not however apply to digital cinemas, where I can only imagine they start the movie, and makes sure nothing...
Graeme Revell was credited with the Original Motion Picture Musical Score for 'The Crow'.
http://en.wikipedia.org/wiki/Graeme_Revell
http://www.graemerevell.com/
Product Details. Original Release...