Verse 1

अत्रैव वस्तुन्युदिता श्रृणु राघव पूर्वजाः ।कचेन गाथा या गीता बार्हस्पत्येन पावनाः

In plain words

Śrī Vasiṣṭha said: Listen, Rāghava, to the ancient, purifying verses spoken on this very matter, which were sung by Kaca, son of Bṛhaspati.