The family left The Hague at the end of March, moving first to Haarlem, where the organist of St Bavo's Church invited Wolfgang to play on the church's organ, one of the largest in the country.
A familia abandonou A Haia a finais de marzo, trasladándose primeiro a Haarlem, onde o organista da igrexa de Sint-Bavokerk invitou a Wolfgang a que tocase o órgano, un dos máis grandes do país.