When the god of hundred sacrifices, thus afflicted by Vritra, possessed by stupefaction, the sage Vashishtha restores him to his senses by chanting Samans.
तस्य वृत्रार्दितस्याथ मोह आसीच्छतक्रतोः। रथन्तरेण तं तत्र वसिष्ठः समबोधयत्॥