Śrīmad-Bhāgavatam · Text 10.43.1
Who is speaking and story frame
श्रीशुक उवाच
अथ कृष्णश्च रामश्च कृतशौचौ परन्तप । मल्लदुन्दुभिनिर्घोषं श्रुत्वा द्रष्टुमुपेयतु: ॥ १ ॥
śrī-śuka uvāca
atha kṛṣṇaś ca rāmaś ca
kṛta-śaucau parantapa
malla-dundubhi-nirghoṣaṁ
śrutvā draṣṭum upeyatuḥ
Śukadeva Gosvāmī said: O chastiser of enemies, Kṛṣṇa and Balarāma, having executed all necessary purification, then heard the kettledrums resounding at the wrestling arena, and They went there to see what was happening.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.