Strauss – Blue Danube – Blauer Donau – Danubio Azul – Waltz – 432 Hz.

For more info on the natural A=432 Hz. tuning vs. the unnatural standard A=440 (or 442, 444, etc.) Hz. please visit:
Para obtener más información sobre la afinación natural La=432 Hz., por favor visitar:

Johann Strauss Jr. – The Blue Danube – An dem schönen blauen Donau – El Danubio Azul – 432 Hz.
Royalty Free Music
Pictures License: Creative Commons

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