Claim: Dr. Rajkumar (24 April 1929 – 12 April 2006), an Indian film actor and playback singer, sang the least number of songs in the soundtrack of Bangaarada Panjara.
Evidence: Singanalluru Puttaswamaiah Muthuraj (24 April 1929 – 12 April 2006), better known by his stage name Rajkumar or Dr. Rajkumar, was an Indian film actor and playback singer in the Kannada cinema. Dr. Rajkumar "Sloka" P. B. Sreenivas, S. Janaki "Bittare Sigadone" P. B. Sreenivas, S. Janaki "Kariya Kambali" P. B. Sreenivas, S. Janaki "Come And Meet Me" P. B. Sreenivas, S. Janaki "Suy Anno Gaali"