How durable is classical music?

A preface to the series. Thoughts on the demise of classical music in contemporary culture.
Music and sound fragments:
W.A. Mozart, Piano Concerto in A KV 488, mov. 2 (Adagio). Piano*
W.A. Mozart, Die Zauberflöte KV620, aria Der Hölle Rache. Edda Moser, Orchester der Bayerischen Staatsoper, Wolfgang Sawallisch, EMI 1973
Collage of voices from The Voyager Golden Record: Greetings and Sounds of the Earth. NetFilm Music © 2013
L. van Beethoven, Große Sonate für das Hammerklavier op. 106, mov. 3 (Adagio sostenuto). Piano*
W.A. Mozart, Minuet KV315a nr. 1. Piano*
J.S. Bach, Das wolhtemperierte Klavier II, Präludium in f-sharp BWV883. Piano*
*Piano: Lodewijk Muns
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