How Kirtan elevates the consciousness with Ter Kadamba Das (6 min video)
Srila Prabhupada: By performing congregational chanting of the Hare Krishna mantra, one can destroy the sinful condition of material existence, purify the unclean heart and awaken all varieties of devotional service. (Sri-Caitanya-caritamrta, Antya-lila, 20.13)
Watch it here: https://goo.gl/VUqHNj