Krishnakumar Kunnath, popularly known as KK,  breathed his last on May 31, 2022, due to a sudden cardiac arrest. The veteran singer was in Kolkata at the time of his death. He felt discomfort during a performance and was rushed to a hospital. It was reported that KK passed away due to an 80-percent blockage in the artery. 

KK had an illustrious career in the Indian music industry. He made his debut in 1996 with A. R. Rahman soundtrack. His popular single includes Pal in 1999. Throughout his career, KK worked with several music composers. His most memorable songs came from his collaboration with Pritam. The singer-composer shared a close bond. From Gangster`s evergreen song Tu Hi Meri Shab Hai to Bajrangi Bhaijaan`s gut-wrenching Tu Jo Mila, they delivered chartbusters.