Ключевые слова: acoustic, app, artistic, band, bass, classic, classical, clef, composition, concert, crotchets, design, digital, element, festival, graphic, harmony, icon, illustration, key, lesson, melody, music, musical, musician, notation, note, opera, pictogram, pitch, play, pop, rhythm, rock, score, shape, sign, sing, singer, song, sound, stave, style, symbol, symphony, tempo, tone, tune, vocal, website,