The Hebrew nagan (H5059) means to play a stringed instrument, particularly the harp or lyre. In 1 Samuel 16:16-23, David is called to play (nagan) before Saul, and his playing brought relief from the tormenting spirit. In 2 Kings 3:15, Elisha called for a harpist, and 'while the harpist was playing, the hand of the LORD came on Elisha.' Music is not merely entertainment in Scripture β it is a vehicle for the Spirit.
The theology of nagan reveals that music is spiritually potent: it can provide relief from oppression (David before Saul) and create the conditions for prophetic activity (Elisha and the harpist). The Psalms, which were sung to instruments, were Israel's primary vehicle of corporate worship. The NT vision of heaven is saturated with music (Revelation 5:8 β 'golden harps'; Revelation 15:2 β those who had harps). Music is not decorative in worship but structural β it carries spiritual weight and opens the human spirit to divine encounter.