On Dec. 3, which was the second day of the 30th JSS Music Conference held at Navajyoti Sabhangana, Saraswathipuram, Ramakrishnan Murthy from Chennai delivered an evening that balanced tradition with thoughtful invention. His voice, warm, steady and unforced-acted as the thought-line: never showy, always musical. He chose repertoire that showcased both lyrical depth and improvisational…