I also take pleasure in the so-called negative power in Grotjahn's work. That is I love his paintings for what they are not. Unlike much art of the past decade Grotjahn isn't simply working from a prescribed checklist of academically acceptable curator-approved 'isms' and twists.
Music is the greatest communication in the world. Even if people don't understand the language that you're singing in they still know good music when they hear it.