The Digital Archive of Bengali Songs preserves Bengali songs from 78rpm shellac disc records. The first commercial recording in India was made at Kolkata (then Calcutta) in 1902. Approximately, 4,000 songs (1902-1937) will be digitized containing all types of popular (non-classical) Bengali songs, such as folk, devotional, romantic, comic, songs from theatre and complete musical dramas in the folk tradition etc.