Best-remembered for the song `Tanha Dil`, Shaan is an Indian playback singer, working in Hindi, Marathi, Bengali, Urdu, Kannada, and Telugu film industry. Popularly known for melodious as well as romantic songs, the singer started his career at an early age of 17 in the 1989 movie Parinda and went on to record quite a few successful albums. Including Naujawan and Q - Funk.

Shaan, also known as Shantanu Mukherjee, has sung for numerous hit Bollywood films, including Pyaar Mein Kabhi Kabhi (1999), Bas Itna Sa Khwaab Hai (2001), Dil Chahta Hai (2001), Kaante (2002), Jhankaar Beats (2003), Munna Bhai M.B.B.S (2003), Koi Mil Gaya (2003), Kal Ho Na Ho (2003), Lakshya (2004), Hum Tum (2004), Dhoom (2004), Masti (2004), Dus (2005), Salaam Namaste (2005), Fight Club - Members Only (2006), Don - The Chase Begins Again (2006), Fanaa (2006), Kabhi Alvida Naa Kehna (2006), Om Shanti Om(2007), Partner (2007), Taare Zameen Par (2007), Welcome (2007), Saawariya (2007), Jab We Met (2007), 3 Idiots (2009), PK (2014) and Prem Ratan Dhan Payo (2015).

In addition, he is also a known TV personality and has hosted various shows like Sa Re Ga Ma Pa, Sa Re Ga Ma Pa L`il Champs, Star Voice of India and STAR Voice of India 2. He was the winning coach in first two seasons of The Voice.