Prana Kishore when he started performing became very popular due to resemblance of his voice to the legend Late Sri S P Balasubrahmanyam.He took SPB as his guru after SPB gave him valuable tips in singing, recording and performing on stage
Sripathi Panditaradhyula Balasubrahmanyam (4 June 1946 – 25 September 2020), credited and also known as S. P. Balasubrahmanyam, S. P. B. or Balu, was an Indian musician, playback singer, television anchor, music director, actor, dubbing artist, and film producer who worked predominantly in Telugu, Tamil, Kannada, Hindi, and Malayalam films.
Balasubrahmanyam has won six National Film Awards for Best Male Playback Singer for his works in four different languages – Telugu, Tamil, Kannada, and Hindi; 25 Andhra Pradesh state Nandi Awards for his work in Telugu cinema; and numerous other state awards from Karnataka and Tamil Nadu. In addition, he won the Filmfare Award, and six Filmfare Awards South. According to some sources, he held the Guinness World Record for recording the highest number of songs by a singer with over 40,000 songs. He recorded 21 songs in Kannada for the composer Upendra Kumar in Bengaluru from 9 am to 9 pm on 8 February 1981. In addition, he recorded 19 songs in Tamil and 16 songs in Hindi in a day, which has also been called a record. In 2012, he received the state NTR National Award for his contributions to Indian cinema. In 2016, he was honored with the Silver Peacock Medal as Indian Film Personality of the Year. He was a recipient of the Padma Shri (2001), Padma Bhushan (2011) and Padma Vibhushan (Posthumously) (2021) from the Government of India.
On 25 September 2020, S. P. Balasubrahmanyam died in Chennai after being hospitalized for over a month for complications due to COVID-19.
An emotionally shaken Prana Kishore said “ I will miss Balu Sir every day for the rest of my life ‘’