उस्ताद असद अली खान निम्नलिखित में से किस वाद्य यंत्र के प्रसिद्ध वादक थे?

Which of the following is a major tradition of Indian classical music that originated and developed primarily in Northern India?

Bharat Ratna awardee Pandit Bhimsen Joshi was a leading exponent of which musical gharana?