 Maha Vaidyanatha Sivan and his elder brother, Ramaswami Sivan, were the earliest performing duo in the history of Carnatic music as known in the last two centuries.He composed mainly in Telugu and Tamil and used the "mudra" 'Guhadasa'.Some of his famous compositions are "Pahimam Srirajarajeswari" "(Janaranjani") and "Neekela dayaradu" ("Sarasangi").