Super Cassettes Industries Private Limited, doing business as T-Series, is an Indian music record label and film production company founded by Gulshan Kumar on July 11, 1983. It is primarily known for Bollywood music soundtracks and Indi-pop music. As of 2014, T-Series is India's largest music record label, with up to a 35% share of the Indian music market, followed by Sony Music India and Zee Music. T-Series also owns and operates the most-viewed and the most-subscribed YouTube channel, with 186 million subscribers and over 158.3 billion views as of July 1, 2021. While best known as a music label, T-Series has also had some moderate success as a film production company.