Message received from Dr Venkata S Vutukuri, who has published the Telugu Filmography and Telugu Film Geet Kosh:
SPB sang about 9,900 songs in 3,200 Telugu Movies.He worked for about 2,000 Producers. The top 5 are: D Ramanaidu, Ramoji Rao, Jayakrishna, C Ashwini Dutt and T Trivikrama Rao.He worked with about 750 Directors. Top 5 Directors are: Dasari Narayana Rao, K Raghavendra Rao, A Kodanda Rami Reddy, Kodi Ramakrishna and K S R Das.He sang songs of about 300 Lyricists. The top 5 are: Veturi, C Narayana Reddy, Sirivennela, Atreya and Rajasri.For about 260 Music Directors, he sang songs. The top 5 are: Chakravarthy, K V Mahadevan, Ilayaraja, Satram and Raj-Koti.SPB sang songs with about 340 co-singers. The top 5 co-singers are: Susheela, Chitra, Janaki, S P Sailaja and Vani Jayaram.