Ключевые слова: acoustic, aged, antique, arrangement, artistic, background, chord, classic, classical, closeup, construction, design, detail, fortepiano, grand, hammer, harmony, home, indoor, inside, instrument, interior, key, keyboard, mechanics, mechanism, melody, music, musical, musician, old, open, part, piano, recondition, repair, restorative, restore, service, sound, string, structure, study, technician, traditional, tune, vintage, wood, work, worn out,