De Ruigewaard is a large polder (reclaimed land protected by dykes) in the Dutch province of Groningen. Shortly after the land was reclaimed around 1500, a settlement was established at the location of the current village of Grijpskerk. This was the source of inspiration for this concert work, together with a 13th-century Gregorian theme - the Dies Irae - which is used as a leitmotiv.After the introduction follow five variations, in randon order - however, each one of them carries us back...