One of the most evergreen melodious singers of Indian Music Industry. Originally it is a classical song of Hindustani classical music. It is a Thumri sung in the raaga, Sindh Bhairavi Thumri. It was popularised by legendary Hindustani vocalist, Bade Ghulam Ali Khan, Barkat Ali Khan, Bismillah Khan on shehnai, Pandit Ajoy Chakrabarty etc.
It was part of the Hindi film, Swami (1977), sung by Yesudas under the music direction of Rajesh Roshan. Yesudas was also nominated for the 1978 Filmfare Award for Best Male Playback Singer for the song. This song of the film Swami is composed in raaga 'kirwani' which is a melakarta raaga but bringing in the flavour of bhairavi. Usually raaga "kirwani" is sung at night time and pictured at and on same mood. But the basic "Ka Karoon Sajni" thumri sung by Ustaad Bade Ghulaan Ali Khan Sahab is composed in Bhairavi (Sindhi).
It was also recreated by Indian DJ Phoenyx and performed by singer Arijit Singh in Phoenyx's 2011 Album Phoenyx: Phase 1