कृष्ण राव शंकर पंडित निम्नलिखित में से किस कला विधा के प्रख्यात प्रतिपादक 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?