What is "dhoon"

Dhoon (Tune or Passion) is a 1953 Bollywood film directed by M. Kumar. The film was produced by Silver Kings, a production company formed by Kumar and his then wife, actress Pramila. The film stars Raj Kapoor, Nargis, Motilal, Kumar, Pramila, E. Bilmoria, Leela Mishra and Kamal Mehra. Mehra was a lesser known comedian who started his career in 1951 with Naujawan. He went on to act in several films before starting his own production company Pride Of India under which he made films like Kismat (1968), Mahal (1969) and Naami Chor (1977). The music was by Madan Mohan.