Harshdeep Kaur is a prominent playback singer in the Indian film industry, recognized for her powerful vocal delivery and emotive range. Her career gained significant momentum in the early 2010s with high-profile contributions to major Bollywood soundtracks. She delivered a standout performance on the 2011 album Rockstar, singing the track Katiya Karoon, which became a defining moment in her discography. The following year, she further solidified her reputation with the song Heer from the soundtrack of Jab Tak Hai Jaan. Kaur's work is characterized by a blend of classical training and contemporary pop sensibilities, allowing her to navigate diverse musical styles within the cinematic landscape. Her recordings have become integral to the auditory identity of several blockbuster films, establishing her as a versatile voice capable of conveying complex narratives through song.