Freuet Euch des Lebens  Freuet Euch des Lebens ("Enjoy Life"), op. 340, is a Viennese Waltz composed by Johann Strauss II. It was written for the Vienna Gesellschaft der Musikfreunde, and premiered at the new Musikverein building in Vienna in 1870. Waltz 1   The advent of the Vienna New Year's Concertis as follows.