Pulapaka Suseela is an Indian playback singer associated with the South Indian cinema primarily from Andhra Pradesh for over six decades and is referred to as Evergreen Nightingale of Indian cinema. She is one of the greatest and best-known playback singers in India. She has been recognized by the Guinness Book of World Records as well as by the Asia Book of Records for performing a record number of songs in different Indian languages. She is also the recipient of five National Film Award for Best Female Playback Singer and numerous state awards. Susheela is widely acclaimed as a singer who defined feminism in South Indian cinema and is well known for her mellifluous vocal performances for over 50,000 film and devotional songs across South Indian languages.

Porayath Leela was an Indian playback singer, Carnatic vocalist, and a music director. She has recorded more than 5,000 songs in various Indian languages including Malayalam, Telugu, Tamil, Kannada, Hindi, Bengali, Sanskrit, Odia, Gujarati, Marati. and also Sinhale. She is also known for her extensive history of collaboration in the songs with Music Composers v.Dakshinamoorthy, MS Baburaj, G Devarajan, ghantasala, MS Viswanathan, K. Raghavan, Br Lakshmanan, LPR Varma, BA chithambara athletes, AT ummer, MK Arjun,Johnson, ouseppachan, ilaiyaraja, and with the playback singers KJ Yesudas and Ghantalasa over the years. Leela is known for her sweet and melodious voice that she named Ganamani. She was awarded Padma Bhushan in 2006. She made her debut as a playback singer in the 1948 Tamil film Kangkanam.