Skandapurana 7.17.27_45

7.17.27_45

tataḥ śaṃkharavo87 divyaḥ sarvatūryaravānvitaḥ88 .
prababhau pūrayan sarvaṃ nārāyaṇapadatrayam ..71 ..

Then a celestial sounding of conches, accompanied by the blare of all musical instruments,
rang out, filling all three steps of Nārāyaṇa.