Arguably one of the finest female singers in India, K.S. Chitra in her illustrious career has sung more than 30,000 songs for films and albums. The recipient of several awards and honors, including six National Film Awards, seven Filmfare Awards, and 35 different state Awards, she is the among the elite group of singers in India to have won all four South Indian state film Awards. Her long list of achievements also includes the coveted Padma Shri, and several sobriquets including the Little Nightingale of India, Melody Queen of Indian Cinema and the Nightingale of South India.

Having started her professional career as a singer in 1985, over the years she has collaborated with some of the biggest names in the Indian film industry including the leading music director and has lent her to voice to many young and veteran actresses. Along the way she has also won many recognition and has set records; (as of March 2018), Chitra who remains the only female singer from south India to have presented her concert at the prestigious Royal Albert Hall, London.

K.S. Chitra's musical works and achievements span across Tamil, Telugu, Malayalam, Kannada, and Hindi cinema and albums. Initially trained by her father, late Krishna Nair, the superstar singer first started singing at the occasional local events, has performed all over the world and has collaborated with several international artists including the Arab singer Jawad Ali and the renowned jazz pianist Herbie Hancock.

Apart from singing, K.S. Chitra also owns a music company in Chennai called Audiotracs, which she established in 1995. The company is considered to be one of the most respected music labels in south India and under the label, Chitra has produced several albums in the non-films space across different genres including classical music, traditional music, devotional music and light songs. The label has been instrumental in giving a break to some of the most popular music directors in south India including M. Jayachandran, Deepak Dev, and Viswajith.