Chapter 1: Observing the Armies on the Battlefield of Kurukṣetra
tatah sankhas ca bheryas ca
sa sabdas tumulo 'bhavat
tataḥ—thereafter; śaṅkhāḥ—conchshells; ca—also; bheryaḥ—bugles; ca—and; paṇava-ānaka—trumpets and drums; go-mukhāḥ—horns; sahasā—all of a sudden; eva—certainly; abhyahanyanta—being simultaneously sounded; saḥ—that; śabdaḥ—combined sound; tumulaḥ—tumultuous; abhavat—became.
After that, the conchshells, bugles, trumpets, drums and horns were all suddenly sounded, and the combined sound was tumultuous.