CC Madhya 11.219

kīrtana dekhi’ sabāra mane haila camatkāra
kabhu nāhi dekhi aiche premera vikāra
Word for word: 
kīrtana dekhi’ — seeing the performance of saṅkīrtana; sabāra — of all of them; mane — in the mind; haila — there was; camatkāra — astonishment; kabhu — at any time; nāhi — never; dekhi — see; aiche — such; premera — of ecstatic love; vikāra — transformation.
Translation: 
Everyone was astonished to see such a performance of saṅkīrtana, and they all agreed that never before had kīrtana been so performed and ecstatic love of God so exhibited.