וְשֵׁ֥ם אָחִ֖יו יוּבָ֑ל ה֣וּא הָיָ֔ה אֲבִ֕י כָּל־תֹּפֵ֥שׂ כִּנּ֖וֹר וְעוּגָֽב׃
And his brother’s name was Jubal; he was the father of all such as handle the harp and pipe.
Read kabbalistic (mystical) interpretation of Genesis 4:21: and classical mystical sources.