 In his recordings, Rao pioneered the use of light music in Telugu cinema; ""Thummeda Oka saari"", ""Kopamela Radha"", ""Podarintilona"", ""Rave Rave Koyila"", ""Challa Gaalilo"" and ""Paata Paduma Krishna"" were all written by his father.Rao's most rewarding assignments came from Gemini Studios, which he joined in 1940 and with which he remained for a decade.After leaving Gemini, he received an offer to provide music for B. N. Reddy's ""Malleeswari"" in 1950; the song was a hit.