SB 10.47.54

uvāsa katicin māsān
 gopīnāṁ vinudan śucaḥ
kṛṣṇa-līlā-kathāṁ gāyan
 ramayām āsa gokulam
Word for word: 
uvāsa — he resided; katicit — for some; māsān — months; gopīnām — of the cowherd girls; vinudan — dispelling; śucaḥ — the unhappiness; kṛṣṇa-līlā — of the pastimes of Lord Kṛṣṇa; kathām — the topics; gāyan — singing; ramayām āsa — he gave joy; gokulam — to Gokula.
Translation: 
Uddhava remained there for several months, dispelling the gopīs’ sorrow by chanting the topics of Lord Kṛṣṇa’s pastimes. Thus he brought joy to all the people of Gokula.
Purport: 

The great ācārya Jīva Gosvāmī comments in this regard that Uddhava, during his stay in Vṛndāvana, certainly took special care to enliven Kṛṣṇa’s foster parents, Nanda and Yaśodā.