The mayor of Nijmegen, Hubert Bruls, opened the Four Days Marches in his city on Saturday afternoon with the music of many hundreds of brass bands. On 22 stages in the center of Nijmegen, fanfares and marching bands simultaneously played a specially arranged version of Celebration by Kool & the Gang. The Four Days Marches last until Friday. The 105th Four Days Marches will start in Nijmegen on Tuesday.