Jules Demersseman: Douze Études (Twelve Etudes) in all keys for any saxophone for Alto Sax,Tenor Sax,Soprano Sax written by Jules Demersseman. The format of this sheet music is Score and it’s published by Musik Fabrik Music Publishing. Jules Demersseman: Douze Études (Twelve Etudes) in all keys for any saxophone is part of the following sheet music categories: Romantic Period,Etudes and Exercises,Recital.