Mohammed Rafi (24 December 1924 – 31 July 1980) was an Indian playback singer and one of the most popular singers of the Hindi film industry. Rafi was notable for his versatility, his songs ranged from classical numbers to patriotic songs, sad lamentations to highly romantic numbers, qawwalis to ghazals and bhajans. He was known for his ability to mould his voice to the persona of the actor, lip-synching the song.