1:13  

ततः शङ्खाश्च भेर्यश्च पणवानकगोमुखाः ।
सहसैवाभ्यहन्यन्त स शब्दस्तुमुलोऽभवत् ॥१-१३॥

tataH sha~Nkhaashcha bheryashcha paNawaanakagomukhaaH ।

sahasaiwaabhyahanyanta sa shabdastumulo'bhawat ॥१-१३॥

Source: Automatic ITRANS Transliteration

Then, conches and kettle-drums and gongs, cow-horns
Suddenly sounding together, that sound became tumultuous.

Source: Milind S. Pandit

After that, conches, kettledrums, cymbals, drums, and trumpets were sounded together. The commotion was tremendous.

Source: The Bhagavad-Gita: The Sacred Song

After that, the conchshells, bugles, trumpets, drums and horns were all suddenly sounded, and the combined sound was tumultuous.

Source: Bhagavad Gita As It Is