O.S. Thyagarajan was born on 03.04.1947 at Thanjavur
He is a classicist of traditional outfit who ‘paints’ in glorious colours the fine shades of raga, kriti and swara in his numerous concerts.
He trained under his father Sangita Bhooshanam O.V. Subramanyam and also had had his earlier training under Tiger Varadachariar and Tanjore Ponniah Pillai. He continued his later training with his father as well as Lalgudi Jayaraman and T.M. Thiagarajan
He is ‘A- Top’ graded artist of the All India Radio and of Doordarshan,
He has been giving a large number of concerts which are well appreciated and relished, and is regularly featured throughout India and has toured many countries