Wonderful experience of a teacher who visited ISKCON Miraroad with more than 500 Students (2 min video)
Srila Prabhupada: Kirtana means both lecturing and chanting with music. The chanting with music is especially attractive for the mass of people, but talking from philosophical point of view on Krishna Consciousness is also chanting. Letter to Upendra, August 12, 1968.
Watch it here: https://goo.gl/hoQ16k