When Nimai would cry the neighborhood ladies would clap their hands & chant the names of Lord Hari. Hearing this, Nimai would stop crying. This was His favorite pastime and thus right from His birth, He was engaging everyone in chanting the holy names of Krishna.
Reference:- https://kids.iskcondesiretree.com/eBooks/Chaitanya_Charitamrita/Chaitanya_Charitamrita.pdf