Nusrat Khan urdu qawalli - Tum Ik Gorak dhandha Ho

this is very nice song by Nustrat fateh Ali Khan , who sings qawalli . Qawalli are sung in Urdu language , which is a sweet langugage developed in Awadh, Eastern Uttar Pradesh and Bihar region of India, It has very much similarity to hindi , the urdoo script is written as a mirro image of Hindi , but phonetically both are same.