Oorspronklik: Etude 1.5 2.5 for Piano Solo from 25 Etudes using Symmetry, Mirroring and Intervals. Piano Method sheet music. Piano Solo sheet music.
Vertaling: Etude 1.5 2.5 vir Piano Solo van 25 Etudes behulp Simmetrie, Mirroring en intervalle. Piano Metode bladmusiek. Piano Solo bladmusiek.
