Question: S.Easwara Varma is a violinist who has accompanied an Indian vocalist who is one of ten musicians to receive the Madras Music Academy's Sangeetha Kalanidhi before they turned what?
Sentence (from "Alathur Srinivasa Iyer"): Together with Alathur Sivasubramania Iyer, he formed the successful duo known as the "Alathur Brothers", though the two were not in fact brothers.
Relevant evidence: No