Bhagavatapurana 10.3.5

10.3.5

manāṃsy āsan prasannāni sādhūnām asura-druhām /
jāyamāne 'jane tasmin nedur dundubhayaḥ samam //

5. When the minds of the good bent on the fall of Asuras as well as the gods grew serene; when in the celestial regions celestial drums were being beaten at the approaching Avatara of the Unborn;