Originál: Prelude op. Nr. 09 is dedidated to Morton Feldman, a Composer of the New York School, contemporary of Charles Ives and John Cage.
Překlad: Nr. 09 je dedidated na Mortona Feldmana, skladatel New York School, současník Charles Ives a Johna Cage. 23 Nr. 9. Piano Solo noty.