Originalus: Chopin -- Four Preludes, Op. 28, Nos. 4, 6, 7, 20. Edited by Willard A. Palmer. Piano Solo sheet music. Intermediate. For Piano.
Vertimas: Chopin - Keturi preliudai, op. 28, Nr. 4, 6, 7, 20. Redagavo Willard A. Palmer. Pianinas Pavieniai natos. Tarpinis. Fortepijonui.