Originál: Gershwin for Students, Book 3. Love Is Here to Stay. Blue Lullaby. Rhapsody in Blue. from "Porgy and Bess".
Překlad: Gershwin pro studenty, Book 3. Carol Matz. Piano Method noty. Piano Solo noty. Střední. Gershwin pro studenty, Book 3. Dohodl Carol Matz.