Brihad Bhagavatamrta
Part 2 Chapter 1 Text 21

ye sarva-nairapeksyena
radha-dasyecchavah param
sankirtayanti tan-nama
tadrsa-priyata-mayah

TRANSLATION
They chant His names and are full of unique love for Him. Indifferent to everything else, they want only to become servants of Sri Radha.