To lift up the horn— To celebrate the praises; Houbigant. For there is no example in Scripture, says he, of such an expression as lifting up the horn, for any thing in music. Some, however, think that it means to blow aloud with trumpets made of horns.
Related Commentaries of 1 Chronicles 25:5
1 Chronicles 25:5
5 All these were the sons of Heman the king's seer in the wordsd of God, to lift up the horn. And God gave to Heman fourteen sons and three daughters.