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The first variation, in F major, employing all the tone-color of the full orchestra, is a gorgeous picture of the Oriental splendor of Istar. It is noteworthy that each variation contains a modulation to a key a semitone higher, thus affording a factor of unity amid the elaborate flowerings of the musical thought. The second variation, in E major scored for strings and wood-wind, is significant for the way in which the original theme is expanded into a flowing melody. The logical derivation of the fabric from the first intervals of the main theme is obvious, e.g.
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The fourth variation, in F-sharp major, scored for pizzicato strings and staccato wood-wind, with light touches on horns, trumpets, cymbals, triangle and harps, introduces the scherzo mood into the work and with its persistent 5/4 rhythm is of fascinating effect.