Music is an art form consisting of sound and silence expressed through time. Elements of sound as used in music are pitch, rhythm, structure and sonic qualities of timbre, articulation, dynamics and texture. The Indian Music includes multiple varieties of folk, popular, pop, and classical music. India's classical music tradition, including Carnatic and  Hindustani music, has a history spanning , millennia and develop over several eras. The biggest form of Indian pop music is filmi, or songs from Indian musical films.The Film industry of India supported music by according reverence to classical music.