harp

Definition:

A harp is a stringed musical instrument, usually having a large open frame with vertical strings.

In Bible times, fir wood was used to make harps and other musical instruments.
Harps were often held in the hands and played while walking.
In many places in the Bible, harps are mentioned as instruments that were used to praise and worship God.
David wrote several psalms which were set to harp music.
He also played a harp for King Saul, to soothe the king's troubled spirit.