Hi, I am looking for free copies of Kapustin's Concert Etudes Op.40. My uncle is not willing to pay 50$ for it. If this is too much to ask, can you please recommend any other less expensive "advanced" works by people who were born in the 20th century that are not atonal and have limited dissonance? Thanks!
(No Poulenc, Ravel, Joplin, Debussy, Scriabin, etc.)