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The Cousin from Nowhere (German: Der Vetter aus Dingsda) is an operetta composed by Eduard Künneke with a libretto by and Fritz Oliven, based on a comedy by Max Kempner-Hochstädt. It was first performed on 15 April 1921 in the Neues Schauspielhaus, Berlin. The work was adapted into films in 1934 and in 1953.