Preaching program at San Mateo, California (Album with photos)
Srila Prabhupada: When the chanting is performed offenselessly the Lord will automatically reveal Himself to the view of the chanter. The chanter, therefore, has to concentrate on hearing the vibration, and without extra endeavor on his part, the Lord will automatically appear. (Srimad-Bhagavatam 4.8.53 Purport)
Find them here: https://goo.gl/QJDsZW