Carl Fischer WF119 - Cyrille Rose Thirty-two Rose Etudes for Flute: Based on the Etudes of Franz Wilhelm Ferling. The popular 32 Rose Etudes have long been a staple in the teaching repertoire for the clarinet. Now for the first time, they have been adapted for use in the study of the flute by prominent flutist and professor of flute, Amy Porter. Piano accompaniments on the CD, composed and performed by John Walker.