Option b is the correct answer. Tansen was a 16th-century court musician of the Mughal emperor Akbar. He was a master of the Dhrupad form of music, and he is credited with introducing and popularizing it in India. Tansen's music was known for its beauty, its complexity, and its spiritual depth. He is considered to be one of the greatest musicians in the history of Indian classical music. Important Tips Dhrupad originated in the 14th century. Dhrupad singing emphasizes solo singing, and it is often accompanied by a tabla player. Dhrupad singers are often called "kalawantas," and they require years of rigorous training. This genre is primarily associated with devotion and spirituality, and it is often used in religious ceremonies. Dhrupad singing has four main parts: Stbayi: This part presents the main theme of the song. Antar: This part is an elaboration of the sthayi, and it has more depth and emotion. Sanchari: This part is an intermediate section, which connects the sthayi and antara parts. Abhog: This part is the final part of the song, and it has an emotional closure.