"Ik Haseena Thi" from the movie *Karz* (1980) is a classic Bollywood song composed by Laxmikant-Pyarelal and sung by Kishore Kumar and Asha Bhosle. The song is iconic for its fusion of disco and traditional melodies, blending energetic beats with soulful lyrics. It features Rishi Kapoor's character reminiscing about a mysterious, enchanting woman he once knew, portrayed by Tina Munim. The song's visuals and music play a pivotal role in the film's narrative of love, betrayal, and reincarnation.