Music Director is one of the most important role that anyone can play in making a movie. Music Directors are responsible for creating the Music for the entire movie and create a set of songs which fit in with the movie plot.
They have to create the music keeping In mind the nature of the movie and the plot for which they have to create the music. They also create all of the background music and sound effects sometimes. The music of a movie plays an important role in popularity aspect during promotion of a movie.
The songs which are hit among the audience will create a positive response for the movie and more people will be willing to watch that movie. Hence, the Music Director has to create songs which can become a hit among the audience and ultimately the movie will have a higher chance of getting good business on the box office.