They are ukulele concerts by Luke Vanlaery for approximately 35 minutes and 40 minutes. You can enter for free as much as you can donate to them but it is not obligatory. It also constitutes a small harp museum. Both modern and historical instruments from different parts of the world are not only displayed, but also played. During an eclectic mix of music and sounds that cannot be recorded as classical music, pop or jazz, but it is a wonderful combination for them, and at the same time families are welcome to attend, but children under five years are not received.