Mahagovindasutta 41.7

41.7

Tena hi, bho, yathāsute yathāpariyatte mante vitthārena sajjhāyaṃ karotha, aññamaññañca mante vācetha;

“Sirs, rehearse the hymns in detail as you have learned and memorized them, and teach each other how to recite.”