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According to the Matsya Purana, Brahma's left half emerged as a female, who is celebrated under the names of Sarasvati, Savitri, and Gayatri. The three represent purity in
Nārāyaṇa said :-- O Nārada! On the Full Moon night of the month of Kārtik in the Rāsa māṇḍalam, at the great festivity in honour of Rādhā, Śrī Kṛṣṇa worshipped Rādhā and remained there. Next Rādhā, worshipped by Śrī Kṛṣṇa, was worshipped by Brahmā and the other Devas, by Saunaka and the other Ṛṣis, who also stopped there with much gladness. At this moment the Devī Sarasvatī, the Presiding Deity of the Science of Music began to sing lovely songs regarding Kṛṣṇa, in tune with vocal and instrumental music.