Great art is a rarity and not easily achieved. Creativity is only realised where there are rules to constrain it. This is true of all freedoms. The rules are not arbitrary. In the case of tonal harmony, for example, the syntax has developed over hundreds of years by a dialogue between artist and public. The rules can be broken, but only when they have first been mastered and internalised. Bethoven, Schonberg, Vaughan-Williams, and T.S.Elliot broke the rules, after first mastering their craft to a high degree. Tracey Emin seems never to have mastered them. Her acts of insolent nonsense, fail to earn our respect, even though the critics, besotted by the Zeitgeist, fawn over her. There is always some fool who will pay a fortune for an un-made bed.