Upgrading a Steinway & Sons with a Wessell, Nickel & Gross action
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Ibach Grand piano Wessell, Nikkel & Gross upgrade
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Steinway & Sons Model D Acoustics rebuild
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Bechstein A mechaniek revisie
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The Rebirth of the Steinway Square Piano Serial Number 20232 (New York, 1869)
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Steinway & Sons B - Grand Piano - Repair / Restoration - Part 4 - mechanics and regulation
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WNG How To Install Composite Hammer Shanks and Flanges
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WNG How To Install Composite Piano Repetitions
15:16