Ключевые слова: background, bass, black, classical, clef, concert, crotchet, double, eighth, element, flat, graphic, green, half, harmony, icon, illustration, key, ledge, lower, melody, minim, music, musical, natural, note, one, pitch, rise, score, semibreve, semiquaver, semitone, sharp, sign, silhouette, solfa, song, sound, staff, stave, symbol, treble, tune, white, whole,