jagatuḥ - They sang; sarva-bhūtānām - of all living beings; manaḥ - for the mind; śravaṇa - and ears; maṅgalam - happiness; tau - the two of Them; kalpayantau - producing; yugapat - simultaneously; svara - of musical tones; maṇḍala - by the entire scale; mūrcchitam - augmented.

Kṛṣṇa and Balarāma sang, producing the entire range of musical sounds simultaneously. Their singing brought happiness to the ears and minds of all living beings.