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"Variations In C, Wo0 28 by Hans Elhorst, Heinz Holliger &amp;amp; Maurice Bourgue"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.songpop2.com/content/song/Heinz-Holliger-Hans-Elhorst-%26-Maurice-Bourgue_Variations-In-/P83gC>