Krishnakumar Kunnath (born 23 August 1968), popularly known as KK, K.K. or Kay Kay (Hindi: केके), is an Indian singer. He is a prominent singer in Hindi, Telugu, Tamil, Kannada and Malayalamfilms.^[1]

KK has a broad vocal range and is considered as one of the most versatile and influential singers of India.^[2] He is often called as “The Mesmerizer” for his soulful voice. Some of his most popular songs are “Tadap Tadap Ke”, “Pal”, “Yaaron”, “Khuda Jaane”, “Ajab Si”, “Dus Bahaane”, “Dil Kyun Yeh Mera”, “Sach Keh Raha Hai Deewana”, “Kya Mujhe Pyaar Hai”, “Tu Aashiqui Hai”, “Aashaayen”, “Tu Hi Meri Shab Hai”, “It’s The Time To Disco”, “Zara Si Dil Mein”, “Haan Tu Hain”, “Labon Ko”, “Kabhi Khusboo”, “Alvida”, “O Meri Jaan”, “Dil Ibadat”, “Make Some Noise For The Desi Boyz, “Koi Kahe Kehta Rahe”, “Main Tera Dhadkan Teri” etc.^[2][3]