Chamber, Duos, Piano Duos, Holt, Simeon (composer)

Tomoko Mukaiyama (piano), Gerard Bouwhuis (piano)

Kees Wieringa (piano) & Polo de Haas (piano)

Jeroen van Veen piano (synthesizer), Sandra van Veen piano (synthesizer), Marcel Bergmann (piano), Irene Russo (piano), Fred Oldenburg (piano), Esther Doornink (marimba), Peter Elbertse (marimba), Aart Bergwerff (organ)