So eventually, film makers tried to get more control over the musical accompaniment of their films, and specify what type of music to use and how fast or slow to play it.

所以最终，电影制片人开始尝试控制音乐人的伴奏，专门规定该使用什么样的音乐和是用快节拍还是慢节拍来进行演奏。