Organ

Two Works of the 17th century (f.e. choral work by JanPieterszoon Sweelinck and a preludium by Dietrich Buxtehude)
Two Works of J. S. Bach (f.e. choral work from “Das Orgelbüchlein” and a free work with comparable difficulty following on the “8 small preludia and fugues” [preludium en fuga in c BWV 549 or preludium in G BWV568])
A work of the 19th century (f.e. Felix Mendelssohn-Bartoldy, César Franck or Max Reger)
A work of the 20th century (f.e. Hugo Distler, Jean Langlais)

Teachers