Strong’s Greek
G2789 — kitharizo
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
κιθαρίζω
kitharizo — pronounced kith-ar-id'-zo
from 2788; to play on a lyre:--harp. see GREEK for 2788
2 occurrences in the KJV.
1 Corinthians 14:7
And even things without life giving sound, whether pipe or harp, except they give a distinction in the sounds, how shall it be known what is piped or harped?
Revelation 14:2
And I heard a voice from heaven, as the voice of many waters, and as the voice of a great thunder: and I heard the voice of harpers harping with their harps: