CC Madhya 14.234

cāri sampradāya gāna kari’ bahu śrānta haila
mahāprabhura premāveśa dviguṇa bāḍila
Synonyms: 
cāri sampradāya — four groups of saṅkīrtana parties; gāna kari’ — after singing; bahu — much; śrānta haila — were fatigued; mahāprabhura — of Śrī Caitanya Mahāprabhu; prema-āveśa — the ecstatic love; dvi-guṇa — twofold; bāḍila — increased.
Translation: 
After much singing, all four saṅkīrtana parties grew fatigued, but Śrī Caitanya Mahāprabhu’s ecstatic love increased twofold.