After the end of the Nazi regime in Germany, Werzlau was active in the
Antifa-Block and became a member of the
Cultural Association of the GDR. He joined the
SED party in 1946. Werzlau wrote his probably most popular song,
Weil wir jung sind, ist die Welt so schön (Because we are young, the world is so beautiful) to lyrics by
Gerhard Wolfram. Between 1949 and 1952, he was a music consultant (
Musikreferent) at
Berlin Radio, for which he also worked as a composer and program planner. and became one of the influential film composers of the GDR. In the 1960
Fünf Patronenhülsen, he used
recorder, guitar, trumpet and drums instead of an orchestra. Werzlau was a founding member of the East German , an association of composers and musicologists, in 1951, and working freelance from then on. He served as chairman of the association's Berlin District from 1960 to 1964. From 1967 to 1981, he was a member of the , and became a member of the
Akademie der Künste der DDR in 1969. In 1977, Werzlau became a member of the board of the Composers' Association. From 1985, he was chairman of the advisory board of the , an institution for the protection of performing and reproduction rights for music. In both 1967 and 1981, he was honoured with the
National Prize of the GDR. Werzlau wrote his first opera
Regine in 1963, which was premiered at the
Hans Otto Theater in Potsdam with moderate success. In 1976, his second opera was premiered at the Berlin
Staatsoper Unter den Linden with great success:
Meister Röckle, to a
libretto by
Günther Deicke. The plot is based on motifs from the children's book
Meister Hans Röckle und Mister Flammfuß by and . The work was performed at several theatres in the GDR, including
Weimar,
Meiningen and Leipzig. In 1981,
Meister Röckle was also performed in Moscow at the local music theatre for children by
Natalia Saz. In the first half of the 1980s, Werzlau worked on his third opera,
Zille Heinrich, about the popular
Heinrich Zille. Werzlau was married; the couple had a son, Friedemann. Werzlau died in Berlin at the age of 88. == Works ==