* Apr 7: Graces & Voices sing Tienstra at the 49th KlaipÄ—da Music Spring Festival, Lithuania
* New choral works published by Donemus: When David heard, Psaume 122 and Alleluia.
Publications in preparation: Tears (viola solo), Patmos (organ), Do not go gentle into that good night (voice and keyboard or string trio)
* New work for Lemnis Ensemble: Vues des Anges (Rilke)
* New orchestral arrangements for Participatiekoren Nederland

* Just out: study on the Utrecht Pontificale in the Tijdschrift van de Koninklijke Vereniging voor Nederlandse Muziekgeschiedenis, 2023 edition
* Study on the 'quilisma' sign for Plainsong & Medieval Music (Cambridge), 2024 edition
* Study on the Rijksmuseum 'Spes Nostra' panel and its relation to Gregorian chant (Rijksmuseum Bulletin)

Gregorian chant
* Upcoming publication on chant in the Netherlands with Verloren Publishers

 * Transcription of the saints' offices of Zutphen for Walburga's Church, Zutphen
* 2024: starting as contributor for Dutch sources to CANTUS, the largest international database for plainchant

Gregoriaanse Kring Amsterdam

Dates and themes for first half of 2024:
* 13 Jan: Amsterdam chant books
* 3 Feb: the Graduale Romanum
* 9 Mrch: chants of Lent
* 6 Apr: introduction to Paleography
* 18 May: introduction to Modology
* 8 Jun: introduction to Semiology

All sessions held on Saturdays 10.00-12.00h at St. Nicholas' Basilica, Amsterdam. More info via [email protected]