At sea: At Eternity's Gate Budai, Erika Plichtwerk IKV 2022 - Compulsory work IKV 2022. Equal voices Men
Erano i capei d'oro Van der Roost, Jan F.J. Plichtwerk IKV 2019 - Compulsory work IKV 2019. Equal voices Women.
Pace non trovo Van der Roost, Jan F.J. Plichtwerk IKV 2019 - Compulsory work IKV 2019. Equal voices Men
Nativitas James, William G. Van der Roost, Jan F.J. International Christmas suite. Also available as an organ reduction. Songs separately available.