Charles H. Spurgeon on Psalms 33:2

Harp; Psaltery, etc. Our church does not use musical instruments, as harps and psalteries, to praise God withal, that she may not seem to Judaise. Thomas Aquinas. It was only permitted to the Jews, as sacrifice was, for the heaviness and grossness of their souls. God condescended to their weakness, because they were lately drawn off from idols; but now instead of organs, we may use our own bodies to praise him withal. Chrysostom. The use of singing with instrumental music was not received in the Christian churches as it was among the Jews in their infant state, but only the use of plain song. Justin Martyr.