Beethoven: Leonore no 3, Overture op. 72A -- Leonard Bernstein, Bavarian Radio Symphony Orchestra

 https://www.youtube.com/watch?v=SJiAXk01aMs

The Leonore No. 3 is one of the most magnificent overtures in the orchestral literature. It distills the essential dramatic progression of the opera into purely musical terms: the triumph of good over evil, the movement from darkness to light, from subjugation to freedom, is integral to this music. 

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