CC Madhya 1.269

eka-dina śrīvāsādi yata bhakta-gaṇa
mahāprabhura guṇa gāñā karena kīrtana
Word for word: 
eka-dina — one day; śrīvāsa-ādi — Śrīvāsa Ṭhākura and others; yata — all; bhakta-gaṇa — devotees; mahāprabhura — of Lord Caitanya Mahāprabhu; guṇa — qualities; gāñā — describing; karena — perform; kīrtana — chanting.
Translation: 
One day all the devotees, headed by Śrīvāsa Ṭhākura, were chanting the transcendental qualities of Śrī Caitanya Mahāprabhu.