The correct answer is option 2: Pandit Bhimsen Gururaj Joshi is a Hindustani vocalist.
An exponent is someone who is highly skilled or knowledgeable in a specific field or art form. In this case, Pandit Bhimsen Gururaj Joshi is known for his exceptional talent and expertise in Hindustani classical vocal music.
Hindustani classical music is one of the two main traditions of Indian classical music, with the other being Carnatic music. It originated in the northern parts of India and is characterized by its use of ragas (melodic frameworks) and talas (rhythmic patterns).
Pandit Bhimsen Gururaj Joshi is considered one of the greatest Hindustani vocalists of all time. His powerful and soulful voice, impeccable control over his singing technique, and emotional expression have made him a legendary figure in the world of Indian classical music. He has received numerous accolades and awards for his contributions to the genre.