Ключевые слова: adagio, allegro, andante, antique, bar, beat, brown, classical, clockwork, count, instrument, key, larghetto, largo, learning, lento, measurement, measuring, metronome, moderato, motion, music, musical, practicing, prestissimo, presto, rehearsal, rhythm, slow, sound, speed, swing, swinging, tempo, tick, time, timer, timing, vivace,