Parallels for PB, 5, 6.6.0

Text line: atho khalv āhuḥ katham adhvaryur bahvṛcaḥ sāma gāyed ity udgātaiva sarveṇodgāyet tad eva samṛddhaṃ samṛddhāv eva pratitiṣṭhanti //
no other annotations for this line