Tansen (1506-1589) was one of the nine gems (Navaratnas) in Emperor Akbar's court and was a legendary musician. He is credited with creating the Raga Darbari Kanth. Options A, C, and D are incorrect - Amir Khusro was in court of earlier rulers, Ramdas was a saint, and Abul Fazl was a historian in Akbar's court (not a musician).