Psalm 95:1-2 (KJV)
1 O come, let us sing unto the Lord: let us make a joyful noise to the rock of our salvation.
2 Let us come before His presence with thanksgiving, and make a joyful noise unto Him with psalms.

Music by Cindy Berry
© Copyright 1990 Purifoy Publishing Company (Admin. by Music Services, Inc.). See https://www.sheetmusicplus.com/title/o-come-let-us-sing-sheet-music/19468554
Covered under CCLI according to https://us.search.ccli.com/songs/704673/o-come-let-us-sing

O come let us sing with joy to the Lord
O come O come O come
Let us sing with joy to the Lord
O come O come
Come bow down before Him
Kneel and adore Him
And praise Him with music and song

O come let us sing with joy
To the Lord