स ह नैमिशीयानामुद्गाता बभूव स ह स्मैभ्य कामानागायति ॥ १३ ॥
In plain words
He indeed became the Udgatri priest for the people of Naimisha; through his chanting, he fulfilled their desires.
Close to the Sanskrit
He indeed became the Udgatri priest of the Naimishiyans; he indeed used to sing desires for them.