Ilaiyaraaja (born R. Gnanathesikan, 3 June 1943) is an Indian musician, composer, arranger, conductor, orchestrator, instrumentalist, lyricist and singer, popular for his works in Indian cinema, prominently in Tamil and Telugu films. Reputed to be one of the most prolific Indian composers, in a career spanning over forty-five years, he has composed over 7,000 songs and provided film scores for over 1,000 films, apart from performing in over 20,000 concerts. He is nicknamed “Isaignani” (the musical genius) and often referred to as “Maestro”, the title conferred by the Royal Philharmonic Orchestra, London.