Srimad-Bhagavatam: Canto 4 - Chapter 1 - Verse 8
Sanskrit:
शङ्खतूर्यमृदङ्गाद्या नेदुर्दुन्दुभयो दिवि ।तत्र सर्व उपाजग्मुर्देवर्षिपितृणां गणा: ॥ ८ ॥
ITRANS:
śaṅkha-tūrya-mṛdaṅgādyānedur dundubhayo divitatra sarva upājagmurdevarṣi-pitṝṇāṁ gaṇāḥ
Translation:
Conchshells, bugles, drums and kettledrums vibrated in outer space. Great sages, forefathers and personalities from the heavenly planets all came to earth from various planetary systems.