“Indian singer Krishnakumar Kunnath, known by the stage name of KK, died Tuesday night in Kolkata, according to the city’s CMRI hospital.

“Just hours before his death on May 31, the acclaimed 53-year-old singer performed at a concert in Nazrul Mancha, a venue at the Sir Gurudas Mahavidyalaya college in the eastern Indian city of Kolkata.

“Kunnath’s work as a playback singer — a vocalist whose songs are pre-recorded for use in films — made him famous in the country and throughout the diaspora, as he lent his voice to hundreds of Bollywood films. He became a popular household name after the 1999 release of his first solo album, “Pal.”

“Tributes to the late singer began to pour out across social media as soon as news of his passing broke, including one from the country’s Prime Minister Narendra Modi.”

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