In 1966,The Mother asked Sunil Bhattacharya to compose the musical accompaniment for Her readings of Sri Aurobindo’s Savitri. He continued to compose music for Savitri (and for the New Year) till his passing in 1998.
In his compositions for Savitri and for the New Year, Sunilda incorporated chantings of mantras from the Vedas, the Upanishads and various Stavas and Stotras, invoking the diverse Godheads of India. To him, the Mother and Sri Aurobindo were the Supreme as well as all the Goddesses and Gods of Indian mythology. As a result, we often find him replacing the names of the different deities mentioned in the originals with the names of the Mother or Sri Aurobindo.
MANTRAS IN SUNILDA'S SAVITRI MUSIC
SAVITRI BOOK 02 CANTO 15
अपश्यं गोपामनिपद्यमानमा च परा च पथिभिश्चरन्तम् ।
स सध्रीचीः स विषूचीर्वसान आ वरीवर्ति भुवनेष्वन्तः॥
य ईं चकार न सो अस्य वेद य ईं ददर्श हिरुगिन्नु तस्मात् ।
स मातुर्योना परिवीतो अन्तर्बहुप्रजा निर्ऋतिमा विवेश॥
I saw him who protects, who never stumbles, who moves by paths here below and beyond.
He is with all, he is around all, he circles under cover, within all the worlds.
He who has created this does not know it and who has seen it is hidden away from it.
He is enclosed within the womb of the Mother : he produced the many and entered into untruth.
Rig Veda 1.164.31,32
Translation by Nolini Kanta Gupta
CWNKG Vol 5, p 136.