What is "jaddanbai"

Jaddanbai (1892 – 8 April 1949) was an early singer, music composer, actress and filmmaker of Bollywood and one of the pioneers of Indian cinema. She was the mother of well-known actress Nargis, and maternal grandmother of Sanjay Dutt. She was the first female music director in the Indian film industry, followed by Saraswati Devi.