O be joyful Slootmaekers, Martin compulsory work EMJ Neerpelt - Latin version available (ord.nr.: 2021/018)
Iubilate et cantate Slootmaekers, Martin English version available " O be joyful" (series EMJ - ord. nr. 2021/027)
O kerstnacht Sweelinck, Dirk Haspeslagh, Jan Meer info over de Bob Boon Singers op www.bobboonsingers.be
Nativitas James, William G. Van der Roost, Jan F.J. International christmas suite. Also available as an organreduction. Songs separately available.