Have you ever played 9th and 13th on a piano? It’s as open as a musical chord can get. C major would be the most obvious place to go next, but it could just as easily be A minor, or F major seven, or anything you damn well please. It’s a chord brimming with potential. It’s the sound of possibility. But what it doesn't offer is topless girls singing karaoke. For that, you need to hit the link below…