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description: Wolfgang Paul (; 10 August 1913 – 7 December 1993) was a German physicist, who co-developed the non-magnetic quadrupole mass filter which laid the foundation for what is now called an ion trap. He sha
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track: Vivaldi: Concerto for Two Mandolins in G Major, RV 532: I. Allegro
track: Vivaldi: Concerto for Two Mandolins in G Major, RV 532: III. Allegro

Vivaldi: Concerto for Two Mandolins in G Major, RV 532: I. Allegro
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  date published: 2026-07-29T19:35:34Z
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Vivaldi: Concerto for Two Mandolins in G Major, RV 532: III. Allegro
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by artist: Wolfgang Paul
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  date published: 2026-07-29T19:35:34Z
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Vivaldi: Concerto for Two Mandolins in G Major, RV 532: II. Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Vivaldi: Concerto for Two Mandolins in G Major, RV 532: II. Andante
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