In plain words
The first girl sings: He kicked to pieces the deceitful cart [the demon Śakaṭa], snapped the twin marutu trees, went to the forest with the cowherds and guarded the herds, and played the lovely bamboo flute, standing there a marvel. Sing of the bull [the leader] of the cowherds, and leap! Sing of him who grazed the herds of cattle, and leap!