tÄra madhye chaya vatsara bhakta-gaṇa-saá¹…ge
prema-bhakti pravartÄilÄ ná¹›tya-gÄ«ta-raá¹…ge
tÄra madhye - within that period; chaya vatsara - for six years; bhakta-gaṇa-saá¹…ge - with all the devotees; prema-bhakti - the loving service of the Lord; pravartÄilÄ - introduced; ná¹›tya-gÄ«ta-raá¹…ge - in the matter of chanting and dancing.