A rare picture of maestros of Hindustani classical music.

A rare picture of maestros of Hindustani classical music — Ustad Bismillah Khan, Ustad Haafiz Ali Khan, Ustad Ghulam Mustafa Khan, Pandit Ravi Shankar, Pandit Gyan Prakash Ghosh, Ustad Ali Akbar Khan, Pandit Radhika Mohan Maitra, Pandit Kishan Maharaj and Ustad Karamatullah Khan.