On Tuesday night, popular vocalist KK, who has provided his voice to countless hit Bollywood songs, died in Kolkata.

The singer was in the capital of West Bengal for a performance when he became ill.

KK, whose true name was Krishnakumar Kunnath, passed away on Tuesday in Kolkata at the age of 53. When the singer fell unwell, he was playing Nazrul Mancha for Gurudas College’s fest. He became ill unexpectedly and returned to his hotel. He was transported to the CMRI hospital in Kolkata after his condition worsened, where he was certified dead.

His wife and two sons are scheduled to arrive in Kolkata on Wednesday morning. In the last two days, KK has performed two back-to-back gigs in Kolkata.

People from many walks of life paid tribute to him as soon as the news of his death became public. “Saddened by the untimely passing of famous vocalist Krishnakumar Kunnath, commonly known as KK,” Prime Minister Narendra Modi tweeted. His songs portrayed a wide spectrum of emotions and appealed to listeners of all ages. His songs will live on in our hearts forever. My heartfelt condolences go out to his family and followers. Om Shanti,” says the speaker.

KK’s death was described by actor Akshay Kumar as a “huge loss.” “Extremely sad and surprised to learn about the sad demise of KK,” he posted on Twitter. What a blunder! Om Shanti, Om Shanti,

Swastika Mukherjee, an actress, too expressed her sorrow over his demise, saying, “KK went away. What I just heard astounds me.” The news of KK’s death startled singer Rahul Vaidya, who described himself as “beyond shocked.” “I hear singer KK just gone away,” he tweeted. WHAT THE HELL IS GOING ON!!?? WHAT THE HELL IS GOING ON. kk sir was one of the kindest people I’ve ever met. At the age of 53, he was taken from us far too soon. I’m speechless. Sir, may you rest in peace.”