For the music director; according to the gittith style; 2 by Asaph.
81:1 Shout for joy to God, our source of strength!
Shout out to the God of Jacob!
81:2 Sing 3 a song and play the tambourine,
the pleasant sounding harp, and the ten-stringed instrument!
81:3 Sound the ram’s horn on the day of the new moon, 4
and on the day of the full moon when our festival begins. 5
81:4 For observing the festival is a requirement for Israel; 6
it is an ordinance given by the God of Jacob.