Noah Webster's Dictionary 1. (p. pr. & vb. n.) of Harp. 2. (a.) Pertaining to the harp; as, harping symphonies.

Multi-Version Concordance Harping (1 Occurrence) 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: (KJV ASV DBY WBS YLT)