In Flanders Fields (score) Elst, Vigdis Hansa commissioned by Inge Sykora & Vocal Ensemble Caloroso for their participation in the Llangollen International Musical Eisteddfod 2022
Nativitas James, William G. Van der Roost, Jan F.J. International Christmas suite. Also available as an organ reduction. Songs separately available.
Principes van de westerse tonaal-functionele harmonie (2e editie) Voor starters èn docenten schriftuur.