O be joyful Slootmaekers, Martin Iubilate et cantate Slootmaekers, Martin O roose roodt Goossens Natalie 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 Canteclaer (begeleiding) Wuytack, Jos