The singers went before, the players on instruments followed after; of which see 2 Samuel 6:15 1 Chronicles 13:8. Playing with timbrels, according to the usage of those times. See Exo 15, &c.
Related Commentaries of Psalms 68:25
Psalms 68:25
25 The singers went before, the players on instruments followed after; among them were the damsels playing with timbrels.