The KK singer died today a few hours after the concert in Kolkata. His official Instagram page contains pictures of a concert held at the Kolkata auditorium about 10 hours ago.

The 53-year-old singer crashed into a hotel where he was staying after a concert at the Nazrul Mancha Auditorium in Kolkata. A doctor at the CMRI hospital said the singer had been pronounced dead.

Krishnakumar Kunnath, whose stage name is KK, is known for songs like 'Pal' and 'Yaaron', which became big hits among teenagers in the late 1990s, often played at schools and universities and at cultural events for young people.

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"There is a certain energy an artiste gets when he or she is on stage. No matter what one's condition is, once I am on stage, I forget everything and simply perform," KK had said in his memoir on his official website, The Mesmerizer.

His debut album Pal from 1999 was critically acclaimed. Since the beginning of 2000, he has devoted his career to singing on playback and has recorded a wide range of popular songs for Bollywood films.

KK has recorded songs in Hindi, Tamil, Telugu, Kannada, Malayalam, Marathi and Bengali, among other languages.

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The Mesmerizer, which details KK's discography and memoir, describes him as a "versatile singer [who] has produced many unforgettable and everlasting songs."

To name a few, the effervescent "Khuda Jaane", romantic numbers like "Tu Hi Meri Shab Hai" and "Awarapan Banjarapan", and melancholic "Tadap Tadap Ke", one of his early hits from the film Hum Dil De Chuke Sanam.

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