pika-svara-kantha, tate ragera vibhaga
eka-sloka padite phiraya tina-cari raga
pika-svara-kantha—a very sweet voice like a cuckoo's; tate—above that; ragera—of tunes; vibhaga—division; eka-sloka—one verse; padite—reciting; phiraya—changes; tina-cari raga—three or four different tunes.
His voice was as sweet as a cuckoo's, and he would recite each verse of Srimad-Bhagavatam in three or four tunes. Thus his recitations were very sweet to hear.
Link to this page: https://prabhupadabooks.com/cc/antya/13/128