O Magnum Mysterium (2010)
for double male choir (TTBB - TTBB) a capella
Published by Annie Bank Edition Amstelveen (NL) (2011) - now Edition Ferrimontana (Germany)
and recorded by 'Kamerkoor Maastricht - Male ensemble' on the cd 'Claesen meets Claesen II'
Info: www.kamerkoormaastricht.nl
Time: 2'38