[4] By the instructions of his master T. V. Gopalakrishna, Rajkumar decided to quit his job in an R&D division and devote his time for classical music.
He has traveled across USA, Canada, U.K. Gulf countries, Sri Lanka, Singapore, Malaysia, Australia and New Zealand.
[1] He was also a member of the Madras Youth Choir, one of the oldest Indian choral groups formed under the aegis of the late music director M. B.
[1] Rajkumar conducts workshops every summer for the London based Carnatic music students and has performed Jugalbandi concerts with Ramesh Narayan, Parameshwar Hegde and Sanjeev Abyangar.
[1] Music lovers have admired him for his style of singing with clear diction and enunciation of lyrics (Sahithya Bhava).
In 1950, the Music Academy instituted the Certificate of Merit, given to senior musicians who had made a mark in the field as icons and gurus.
This in the 1980s was named the TTK Award in memory of TT Krishnamachari, former Union Minister and industrialist, who was a great patron of the arts and who as Vice-President of the Music Academy did much to make its auditorium a reality.
Rajkumar Bharathi has also sung in Tamil, Telugu, Kannada, Malayalam, Sanskrit and Tulu Films.