Composition
> Just published: Carve the Runes for cello solo.
> Just published: The Little Prince, suite for piano four hands.
> Composing a choral opera based on the Voyage of St. Brandon for chamber choir NEXT (Fokko Oldenhuis, cond.), to be premiered Nov 2025.
Musicology
> Recently published: Gregoriaans uit de Walburgiskerk. De Zutphense officies van Justus, Goedele en Walburgis. Edition of three collections of chants for Walburga's Church and Librije, Zutphen.
> Recently published: Study of the 'quilisma' sign for Plainsong & Medieval Music 33.2 (Cambridge)
> In preparation: 'Marian and Commemorative Iconography Combined: The ‘Spes Nostra’ Epitaph in the Context of Convent Mariënpoel’s Liturgical Practices', Rijksmuseum Bulletin. Amsterdam: Rijksmuseum. (2025)
> In preparation: 'The ‘Liber generationis’ in Liturgical Manuscripts from the Low Countries', Tijdschrift van de Koninklijke Vereniging voor Nederlandse Muziekgeschiedenis (2025).
> In preparation: contribution to Medieval Latin Liturgy: A Research Guide (D. DiCenso and A. Irving, eds.) (Brill Reference work) (2025).
> In preparation: Engelenspel - Middeleeuwse topstukken en hun muzikale metgezellen. Hilversum: Verloren (2025).
> In preparation: 'Het Jeroensofficie: muzikaal equivalent van de Oude Jeroenskerk', contribution to Michel van Dam's monography on Noordwijk's St. Jeroen's church (2025).
Teaching
> 13-14-15 June 2025: artistic director / teacher on manuscripts from Den Bosch at Nederlands Gregoriaans Festival.
> 20 September: study day on Dutch plainchant for the Nederlandse Sint-Gregorius Vereniging. Location t.b.a., Leiden.
Gregoriaanse Kring Amsterdam: next session: 14 June at the Nederlands Gregoriaans Festival, Den Bosch! Regular sessions at Amsterdam will be resumed from September 2025 onwards.
