Krishnakumar Kunnath popularly known as KK, was an Indian playback singer. KK has recorded songs in Hindi, Tamil, Telugu, Kannada, Malayalam, Marathi and Bengali, among other languages.
On 31 May 2022, KK performed at the Sir Gurudas Mahavidyalaya fest at Nazrul Mancha, Kolkata. He complained of feeling unwell soon after his performance on the way back to his hotel, where he suffered a cardiac arrest.
Efforts to revive him at the hotel were unsuccessful, and he was subsequently taken to the CMRI hospital in Kolkata where he was declared dead on arrival. He was 53 years old at the time of his death.