This document discusses the traditional vocal music of India. It notes that vocal music is the oldest form of music, requiring only the human voice. In India specifically, vocal music is considered the most ancient tradition and is seen as an act of worship. The Samaveda, an old musical text, is also an important influence. Vocal music allows for communication between worshippers and deities. Performers aim to express rasa or dynamics to feel the presence of Brahma, the creator. Different styles of Indian vocal music mentioned include gangal, lakshan geet, and swarmalika.