On Sunday 20 April Johannes will be performing as a guitar duo together with Laura Fraticelli in the Nieuwe Kerk in The Hague. This is a part of the official program of the Dr Anton Philipszaal. Nieuwe Kerk was built in 1649 bu the architect Peter Noorwits, and is know for being the burial ground for the philosopher Spinoza. The program includes the guitar duets by J. K. Mertz as well as tango music from the 1920s. Johannes will also be playing a solo piece by the dutch 19th century composer K. A. Craeyvanger.