Relationship between the roots of music and the roots of motion picture production:
Music has moved from being an add-on to video, to becoming an integral part of video production. Though it was not original utilized in silent film, it has become the fifth dimension and adds more depth to media.
Difference between noise and sound:
Sound is organized and utilized while noise is random and unintentional. The same sound can be both sound and noise, it simply depends on if it is manipulated