Winter skies Helsen, Hans Project Elementary Seasons, also available for SATB Nulla Vita Sine Musica Helsen, Hans also available for SATB Afscheid - Als ik dood ben Van der Roost, Jan F.J. A Year has Four Lives (vocal part) Van der Roost, Jan F.J. A Year has Four Lives Van der Roost, Jan F.J. Sanctus amor Helsen, Hans Ik vind je veel te lief Helsen, Hans I am Nobody! Helsen, Hans Dream keeper Helsen, Hans Be like the bird Helsen, Hans Seize the night (vocal part) Helsen, Hans also available for SATB/SABar en piano Seize the night Helsen, Hans also available for SATB/SABar en piano Erano i capei d'oro Van der Roost, Jan F.J. Compulsory work IKV 2019. Il Bucaneve Van der Roost, Jan F.J. Ave Maria Rosseau, Norbert A Year Has Four Lives Van der Roost, Jan F.J.