During this concert, the Fokker organ will be part of a new seven-member ensemble for microtonal music, called Ensemble SCALA, formerly the Huygens-Fokker Ensemble. The instrumentation comprises Fokker organ, 31-tone guitar, viola, flute, clarinet, master keyboards, and percussion. All the musicians are specialists in microtonal music, and in this configuration they will explore the boundaries of the colourful 31-tone tuning of the Fokker organ. A wide range of new sounds will be presented, with newly composed works that sometimes combine composed music with a form of improvisation, alongside existing music from the 16th and 17th centuries. The programme includes works by René Samson, Steffen Krebber, Ned McGowan, John Bull, and Nicola Vicentino.