Indeed. qv. Black Sabbath and the "Diablos en Musica" (b5 interval): http://www.guitarplayer.com/article/10-things-you/October-2010/120699 http://www.guitarpla

Indeed. qv. Black Sabbath and the "Diablos en Musica" (b5 interval): http://www.guitarplayer.com/article/10-things-you/October-2010/120699 http://www.guitarplayer.com/article/10-things-you/October-20... (point 2)