Ключевые слова: abstract, background, bass, black, blues, classic, clef, compose, entertain, entertainment, equipment, front, fsharp, highs, image, in, isolated, jazz, lesson, line, major, make, manuscript, minor, music, musical, note, notes, of, on, one, opera, page, pages, photo, picture, playing, pop, read, reggae, rock, s, session, sheet, sheets, single, staff, stave, study, white,