- Cassette tapes played a key role in the growth of traditional Indian music from the late 1980s to early 1990s by making music portable for individuals. - The introduction of musical cassettes in 1965 was one of the first times music became portable. They were distributed widely in India after their introduction in Europe. - Traditional music genres like ghazals and bhajans found a place in contemporary music marketed through cassette tapes, exposing more people to traditional forms. - Cassettes helped popularize both classical and folk music, allowing these traditions to reach wider audiences while commercial music industries grew in India. They supported the growth of the music entertainment industry overall.