Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 18
Sanskrit:
अन्ये तदनुरूपाणि मनोज्ञानि महात्मन: ।गायन्ति स्म महाराज स्नेहक्लिन्नधिय: शनै: ॥ १८ ॥
ITRANS:
anye tad-anurūpāṇimanojñāni mahātmanaḥgāyanti sma mahā-rājasneha-klinna-dhiyaḥ śanaiḥ
Translation:
My dear King, other boys would sing enchanting songs appropriate to the occasion, and their hearts would melt out of love for the Lord.