Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
Jubilee, music, Lamech's second son by Adah, of the line of Cain. He was the inventor of "the harp" (Heb.kinnor, properly "lyre") and "the organ" (Heb.'ugab, properly "mouth-organ" or Pan's pipe), Gen. 4:21.