CC Ādi 4.270

sei-kāle śrī-advaita karena ārādhana
tāṅhāra huṅkāre kaila kṛṣṇe ākarṣaṇa
Word for word: 
sei-kāle — at that time; śrī-advaita — Advaita Ācārya; karena — performs; ārādhana — worship; tāṅhāra — of Him; huṅkāre — by the tumultuous call; kaila — did; kṛṣṇe — to Lord Kṛṣṇa; ākarṣaṇa — attraction.
Translation: 
At that time Śrī Advaita was earnestly worshiping Him. Advaita attracted Him with His loud calls.