Nazeer Ahmed Khan Warsi, Naseer Ahmed Khan Warsi were born in Hyderabad. The brothers received their training in music from their father & grand father Padmashri Aziz Ahmed Khan Warsi, was the world famous Qawwal and his Qawwali was Classical Based. Their father Ustad Zaheer Ahmed Khan Warsi was National Awarded as A Qawwal & Classical Singer.
Nazeer Ahmed Khan Warsi, Naseer Ahmed Khan Warsi are belongs to 'The Qawwal Bachchey of Delhi Gharana'. Descendents of Disciple of Hazrat Ameer Khusro (RH) and Hazrat Nizamuddin Auliya(RH). Their Ancestor Allama-e-Mousiqui Mohammed Siddiq Khan Sahab was Royal Classical Singer of King Nizam of Hyderabad. His Uncle Miyan Taanras Khan Sahab was Royal Classical Singer of The Mughal Court.
Nazeer Ahmed Khan Warsi, Naseer Ahmed Khan Warsi are music bearers of gayaki of Delhi Gharana and is noted for its melody and improvisation. They are recognised specially for their Traditional Sufiana Qawwali, Ghazal, Thumri, Bhajan and Classical Bandish. They are featured frequently on the media including All India Radio and T.V. their many audio and video CDs of Qawwali are available. Nazeer Ahmed Khan Warsi and Naseer Ahmed Khan Warsi jointly received the Sangeet Natak Akademi Award for their contributionto Qawwali. Qawwali Brothers have given their performance in a number of cities of India such as in the festivals and many other countries.