…The Lord ordered all the citizens of Navadvīpa to chant the Hare Kṛṣṇa mantra, and in each and every home they began performing saṅkīrtana regularly.
[All the devotees sang this popular song along with the Hare Kṛṣṇa mahā-mantra.] “Haraye namaḥ, kṛṣṇa yādavāya namaḥ gopāla govinda rāma śrī-madhusūdana.”
When the saṅkīrtana movement thus started, no one in Navadvīpa could hear any sound other than the words “Hari! Hari!” and the beating of the mrdaṅga and clashing of hand bells.
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The Hare Krishna Movement 