Natyashastra
शङ्खदुन्दुभिनिर्घोषैर्मृदङ्गपणवैस्तथा । सर्वातोद्यैः प्रणदितै रङ्गे युद्धानि कारयेत् ॥ ९२॥
With the sound of conchs, drums, and cymbals, and from all directions, with the loud blasts of instruments, the stage should be made to resonate, and battles should be enacted.
english translation
zaGkhadundubhinirghoSairmRdaGgapaNavaistathA । sarvAtodyaiH praNaditai raGge yuddhAni kArayet ॥ 92॥
hk transliteration by Sanscript