Vayupurana 1.30.132

Vāyupurāṇa 1.30.132

māmadhvare śaṃsitāraḥ stuvanti rathantare sāma gāyanti geyam.
māṃ brāhmaṇā brahmasatre yajante mādhvaryyavaḥ kalpayante ca bhāgam .. 30.119 ..