Write a history of the Hindi film song from the advent of sound films to modern day. What was the source material for early songs? ie. What types of songs were used in early films from 1930s? How did this evolve over time to include other source material that came from outside India? How has source material changed over time and why? Refer to specific songs that introduced new ideas to the genre, mention key people such as singers, music directors and lyricists that contributed to the evolution of the song. Mention key events that contributed to the evolution of the Hindi film song. ie. partition, globalization, economic liberalization etc. Document the chronology of events.
