During Navaratri at the Yoga Vidya Ashram Germany 2011: Atmaram and Gopi are chanting to praise the Divine Mother. Her names are Durga, Lakshmi, Saraswati, Ambe, Kali. They are accomponied by a percussionist and a cellist. Later, some children from the audience even begin to dance spontaneously. More about Kirtan can be found here.