Natyashastra
एते तुष्यन्ति निर्गीते दानवा सह राक्षसैः । प्रणश्यतु प्रयोगोऽयं कथं वा मन्यते भवान् ॥ ३७॥
These demons, along with the rakshasas, are pleased by the song. How do you think this method can be destroyed or defeated?
english translation
ete tuSyanti nirgIte dAnavA saha rAkSasaiH । praNazyatu prayogo'yaM kathaM vA manyate bhavAn ॥ 37॥
hk transliteration by Sanscript