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The Prelude to Tristan und Isolde is a famous example of chromatic postponement in which the chord of the dominant seventh ‘suddenly appears, no longer as pointing toward the goal, but as the goal itself!’38 Indeed, the whole opera can be regarded in a rather similar light; the final resolution being postponed for over four hours of music. Since most compositions are considerably shorter than Tristan, it follows that the skills employed in raising and prolonging the listener’s expectations cannot be the only important ones pertaining to musical composition
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