Valeur Ajoutée’s authors all have a different background. Some are prolific composers, others are mainly active as instrumentalist or church musician and write for their own practice.



Jan Hage is organist of Domkerk, Utrecht. He is a prominent performer of contemporary music and composes.

Arie Hoek

Arie Hoek studied organ, harpsichord and choral conductor. He is is director of music of St. Maartenskerk, Zaltbommel, and composes for the liturgy in this church.

Rieteke Hölscher

Rieteke Hölscher studied both classical as jazz piano and composition.

Foto: Dick Vos
Foto: Dick Vos

David de Jong is composer, organist en minister.

Geerten Liefting

Geerten Liefting studied organ, choral conducting and composition in Utrecht, Rotterdam and Antwerp. His compositions were awarded several prizes.

Reitze Smits

Reitze Smits teaches organ at the conservatories of Utrecht and Louvain and composes.


Bert van Stam studied organ and civil engineering. He likes to present the organ in an innovative manner.