Psalm 81:1-3

International Standard Version

81 Sing joyfully to God, our strength.
    Raise a shout to the God of Jacob.
² Sing a song and play the tambourine,
    the pleasant-sounding lyre along with the harp.
³ Blow the ram’s horn when there is a New Moon,
    when there is a full moon,
        on our festival day,