The singers went before, the players on instruments followed after; among them were the damsels playing with timbrels.
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Augustine of Hippo
31. But in order that those steps might be seen, "there went before princes conjoined with men psalming, in the midst of damsels players on timbrels" (ver. 25). The princes are the Apostles: for they went before, that the peoples might come in multitudes. "They went before" proclaiming the New Testament: "conjoined with men psalming," by whose good works that were even visible, as it were with instruments of praise, God was glorified. But those same princes are "in the midst of damsels players on timbrels," to wit, in an honourable ministry: for thus in the midst are ministers set over new Churches; for this is "damsels:" with flesh subdued praising God; for this is "players on timbrels," because timbrels are made of skin dried and stretched.