Ключевые слова: adjustment, articulation, artisan, broken, classic, classical, concept, construction, craftsman, detail, elderly, equipment, grand, hand, inside, inspection, installling, instrument, ivory, key, keyboard, machine, man, mechanism, music, musical, pattern, performance, person, piano, professional, recital, regulate, removing, repair, repairman, service, sound, soundboard, string, synthesizer, technician, tune, tuner, tuning, upright, wood, work, worker,