Krishnan Nair Shantakumari Chithra, credited as K. S. Chithra, is an Indian playback singer and Carnatic musician. In a career spanning over five decades, she has recorded 20,000 songs in various Indian languages including Malayalam, Telugu, Tamil, Kannada, Hindi, Odia, Bengali, Marathi, Manipuri, Punjabi, Gujarati, Tulu, Rajasthani, Urdu, Sanskrit, and Badaga as well as foreign languages such as Malay, Latin, Arabic, Sinhalese, English and French. She is also known for her extensive history of collaboration in the songs with Music Composers A.R. Rahman, Ilaiyaraja, Hamsalekha, M. M. Keeravani and with the playback singers KJ Yesudas and SP Balasubramaniyam over the years. She is regarded as a cultural icon of Kerala and is fondly called as the Melody Queen and Nightingale of South India. via Wikipedia