Ключевые слова: art, background, blackboard, chalk, chalkboard, chord, class, classic, classical, clef, closeup, college, compose, composition, drawn, education, female, green, hand, harmony, instrumental, jazz, learn, lesson, melody, music, musical, musician, note, notes, person, play, scale, school, sign, sonata, song, space, staff, student, study, style, subject, symbol, teacher, treble, university, white, woman, writing,