CC Antya 18.74

sabe meli’ ucca kari’ karena saṅkīrtane
ucca kari’ kṛṣṇa-nāma kahena prabhura kāṇe
Synonyms: 
sabe meli’ — all together; ucca kari’ — very loudly; karena — performed; saṅkīrtane — chanting of the holy name; ucca kari’ — loudly; kṛṣṇa-nāma — the holy name of Kṛṣṇa; kahena — said; prabhura kāṇe — in the ear of Śrī Caitanya Mahāprabhu.
Translation: 
They all performed saṅkīrtana, loudly chanting the holy name of Kṛṣṇa into the Lord’s ear.