Kolkata Ratha Yatra Pandal Program (Album with photos)
Srila Prabhupada: By chanting the Hare Krishna mantra one immediately concentrates on the sound vibration and thinks of the lotus feet of the Lord, and very quickly one is elevated to the position of samadhi, or trance. (Srimad-Bhagavatam 4.8.44 Purport)
Find them here: https://goo.gl/V2pxx5