Bhagavad Geeta 1.13
Sanskrit
ततः शङ्खाश्च भेर्यश्च पणवानकगोमुखाः। सहसैवाभ्यहन्यन्त स शब्दस्तुमुलोऽभवत्।।1.13।।
tataḥ śhaṅkhāśhcha bheryaśhcha paṇavānaka-gomukhāḥ sahasaivābhyahanyanta sa śhabdastumulo ’bhavat
Meaning
When facing major decisions, expect chaos and noise. Stay focused on your purpose rather than reacting to external commotion around you.
Translation
Just immediately afterward, conch shells, kettledrums, tabors, trumpets, and cow-horns blared forth, creating a tumultuous sound.