O be joyful Slootmaekers, Martin Iubilate et cantate Slootmaekers, Martin Je adem, je naam Helsen, Hans Sigi and Julia, de musical (vocal part) De Baets, Thomas Sigi and Julia, dé musical De Baets, Thomas Sigi and Julia, de musical (instr. Parts) De Baets, Thomas Nacht-stilte Van Hove, Luc