I got this recording from the secondary supply, and don’t know who recorded it…” (n.b. somehow, this is among only two identified clips of Khan singing Bhairav: with one other getting a brief excerpt of the ‘Karim Rahim Bande Nawaz‘ bandish sung in an job interview with Hafiz Ali https://www.youtube.com/watch?v=S2iLMNuDYc0