Ramayana
शुश्रुवेशङ्खशब्दश्चप्रयातेवाहिनीपतौ । निनदन्तस्स्वरान्घोरान्राक्षसाजग्मुरग्रतः ॥ ६-५७-३०
As the Commander-in-Chief (Prahastha) advanced, noise of blasts of conchs was heard. And Rakshasas making dreadful sounds went ahead of him (Prahastha).
english translation
zuzruvezaGkhazabdazcaprayAtevAhinIpatau । ninadantassvarAnghorAnrAkSasAjagmuragrataH ॥ 6-57-30
hk transliteration by Sanscript