Ecstatic Harinam Sankirtan in London, UK (Album with photos)
Srila Prabhupada: Sri Caitanya Mahaprabhu has given us a nice weapon for this age. The narayanastra, or weapon to drive away maya, is the chanting of the Hare Krishna mantra in pursuance of the associates of Lord Caitanya, such as Advaita Prabhu, Nityananda, Gadadhara and Srivasa. (Srimad-Bhagavatam 4.11.1 Purport)
Find them here: https://goo.gl/rxZX9q