Ключевые слова: art, background, black, blackboard, chalk, chalkboard, class, classic, clef, closeup, college, compose, composition, concept, design, different, drawn, education, harmony, jazz, learn, lesson, melody, music, musical, musician, nobody, note, notes, orchestra, pianist, piano, play, scale, school, sign, sing, sonata, song, student, study, style, subject, symbol, teacher, treble, university, white, written,