The Seven Deadly Sins is a satirical ballet chanté in seven scenes composed by Kurt Weill to a German libretto by Bertolt Brecht in 1933 under a commission from Boris Kochno and Edward James. It was translated into English by W. H. Auden and Chester Kallman and more recently by Michael Feingold. It was the last major collaboration between Weill and Brecht.

Anja Silja Regina Langwagen is a German soprano singer.