S. Rajeswara Rao pioneered the use of light music in Telugu cinema; Rao's most rewarding assignments came from Gemini Studios, which he joined in 1940 and with which he remained for a decade. Ghantasala, performed in the United States, England, and Germany. According to "The Hindu", and "The Indian Express" he was "Such a divine talent and with his songs he could move the hearts of the people. Ghantasala's blending of classical improvisations to the art of light music combined with his virtuosity and sensitivity puts him a class apart, above all others in the field of playback singing".