Children of a yoga seminar for kids sing during a satsang at Yoga Vidya in Bad Meinberg, Germany the mantra Gopala Gopala Devaki Nandana Gopala Gopala Gopala Gopala Devaki Nandana Devaki Nandana Gopala Devaki Nandana Gopala - you can find a similar songtext in the Yoga Vidya Kirtanheft under the No. 171. - Om Shanti!