Rizwan-Muazzam Qawwali Group - led by two nephews of the late, great Nusrat Fateh Ali Khan -- is among the youngest and most exciting groups of Qawwali singers to emerge from Pakistan in recent years. The group are true torch- bearers in their family"s long line of tradition in Qawwali vocal music - devotional praise and love songs based upon classical Islamic and Sufi texts.