Vaishnava Samhita. Shri Surdas Charitam. Vol III Book VII Chp 5 Shloka 6

अकस्मादागतस्तत्र वल्लभो वैष्णवोत्तमः |

परमं विस्मयं लेभे शृण्वन् गीतं वनान्तरे ||

The vaishnavottama Shri Vallabha, who came there accidentally was suprirsed to listen to the sweet songs in praise of Shri Krishna, heard in the midst of the thick forest.