"Gambämark" is a musical produced and performed by the Finnish-Swedish humor group KAJ in co-operation with Wasa Teater. Originally premiering on stage at the Ritz Hotel in Vaasa in the autumn of 2018, it premiered on TV for the wide public on 1.3.2019. "Gambämark" is about a small town in Finnish Ostrobothnia, which decides to isolate itself from the outer world and builds a large wall around its borders. The people of the town enjoy life as it used to be - but is everyone truly happy?

The humor group KAJ celebrates its 10th anniversary with a big concert for the home audience in Ostrobothnia. Their most popular songs are interspersed with new musical elements and surprises.