Date of Birth: 
About O. S. Thyagarajan
- O.
- S.
- Thiagarajan (born April 3, 1947) is a Carnatic Musician based in Chennai.
- He is the son and disciple of Sangeetha Booshanam O.V.Subrahmanyam.
- He learnt music from Sangeetha Kalanidhi T.
- M.
- Thiagarajan, while Padmabhushan Lalgudi Jayaraman provided guidance/mentorship early in his career.
- An ‘A- Top’ graded artist of the All India Radio and of Doordarshan, he has been giving a large number of concerts well appreciated and relished.
- He is regularly featured by all leading sabhas in Chennai as well as throughout India and has been accompanied by top accompanists such as Lalgudi Shri.G.Jayaraman, M.S.
- Gopalakrishnan , V.V.
- Subrahmanyam on violin, Palghat Mani Iyer,Dr T.K.Murthy, Palghat Raghu, Karaikudi Mani, Trichy Sankaran, Umayalpuram Sivaraman on mridanagm, Shri.G Harishankar on Kanjira and Vikku Vinayakaram on Ghatam.
- He has toured many countries, including USA, Canada, Australia, Singapore, Middle East, Malaysia, Hong Kong, South Africa, and many cities in Europe.
- He worked as Dean, Faculty of Fine Arts, and Annamalai University for 5 years.
- He has trained many disciples who are active on the concert circuit.
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