Ключевые слова: art, ball, black, circle, clef, composer, concert, conductor, conservatory, fasten, icon, illustration, invent, keys, marble, melodious, melody, music, music note, music paper, music sheet, musical, musical notebook, musician, note, notebook, opera, orchestra, paper, piano, round, school, schoolboy, sheet, sign, singer, singing, song, sound, sphere, stand, striped, stripes, student, symbol, synthesizer, theatre, treble key, white,