बिल्वा मार्दङ्गिका आसन् शम्याग्राहा विभीतकाः । अश्वत्था नर्तकाश्चासन्भरद्वाजस्य शासनात् ॥ २-९१-४९
At the command of Bharadwaja, bilva trees acted as drummers, vibhitaka trees as cymbalists and the pipal trees as dancers. [2-91-49]
english translation