Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 10

Sanskrit:

कृष्णस्य नृत्यत: केचिज्जगु: केचिदवादयन् ।वेणुपाणितलै: श‍ृङ्गै: प्रशशंसुरथापरे ॥ १० ॥

ITRANS:

kṛṣṇasya nṛtyataḥ kecijjaguḥ kecid avādayanveṇu-pāṇitalaiḥ śṛṅgaiḥpraśaśaṁsur athāpare

Translation:

As Kṛṣṇa danced, some of the boys accompanied Him by singing, and others by playing flutes, hand cymbals and buffalo horns, while still others praised His dancing.

Purport:

Wanting to encourage Śrī Kṛṣṇa, some of the cowherd boys openly praised His dancing.