You might think a tune called “Mountain Dance,” from the album Earth and Wind, is unfettered booty-shaking music, but it’s actually a layered, nuanced, very impressive slow-building acoustic instrumental played on tar by Israel’s Boaz Regev.

You might think a tune called “Mountain Dance,” from the album Earth and Wind, is unfettered booty-shaking music, but it’s actually a layered, nuanced, very impressive slow-building acoustic instrumental played on tar by Israel’s Boaz Regev.