Vaishnava Samhita. Meera Charitam II. Vol III Book VI Chp 14 Shloka 22

श्रीसद्गुरुरुवाच 
तस्यामेवं प्रगायन्त्यां भगवान्नन्दनन्दनः  |
स्वयं कपाटमुदघाट्य कृपया दर्शनं ददौ   ||

Shri Sadguru continued

When Meera sang thus, Bhagavan, Shri Krishna caused the doors open and gave darshan with all mercy.