Dr. Sreyas Narayanun, who was earlier known by the name C.B.Ramanarayanan is a Karnatic vocalist of outstanding merit and has been giving many concerts in prestigious sabhas in India and abroad. He is an A grade artiste of All India Radio, and Doordarshan, Chennai.

Sreyas had his initial training in music from Sri A. Anantharama Iyer [Muthuswamy Dikshitar lineage] of Guru Guha Gaana Vidyalaya, Kolkata. Later, when he moved to Chennai, he came under the tutelage of Professor M.A. Venugopal for fifteen years. For the past 10 years, Sreyas is under the able guidance of the veteran musician Padmabhushan Sri. P.S. Narayanaswamy.

 Awards and titles received by Sreyas are prize in the competition conducted by All India Radio (1987), Best Main Artiste award from YACM (1988), Vishwapriya from Narada Gana Sabha (1994),  Narada Gana Sabha Best Musican Award from Music Academy (1996, 1998, 2001), Yuva Kala Bharati title fromYuva Kala Bharati(1999), Gayaka Sikamani Puraskar from Sri Bharathi Gana Sabha, Amalapuram (2006), Asthana Vidhwan of Sri Kanchi Kamakoti Peetam from the Sri Kanchi Mutt (2006), Ganagandharva Sreshta by Sri Kothandarama Seva Samithi, Kolar (2007).