Input (grade 13): Mohammed Rafi (,; December 24, 1924 - July 31, 1980), often addressed as Rafi Sahib, was an Indian playback singer whose career spanned four decades and is one of the most versatile male singers in the history of Indian cinema.
Output (grade 9): December 24, 1924 - July 31, 1980) was a popular Bollywood playback singer.