The Interior Mechanism of a Grand Piano: Strings, Hammers, and a Golden Frameグランドピアノの内部機構：弦、ハンマー、そして金色のフレーム
Schlüsselwörter
piano,
grand piano,
music,
instrument,
string,
interior,
inside,
hammer,
frame,
classical music,
craftsmanship,
precision,
mechanism,
technology,
sound,
vibration,
harmony,
melody,
concert,
acoustic,
resonance,
art,
culture,
elegant,
luxury,
high-quality,
background,
abstract,
design,
pattern,
closeup,
macro,
repair,
tuning,
maintenance,
iron,
wood,
felt,
gold,
action,
soundboard,
performance,
musician,
string instrument,
detail,
mechanic,
classic
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