Verse 9

धुनानं वल्लकीतन्त्रीं करपल्लवलीलया ।मृदुरेफं रणद्रेफामलिश्रेणिमिव द्रुमम्

In plain words

plucking the vīṇā's strings with the playful sprout of their hands, softly humming, like a tree draped with a droning row of bees.