I cavalieri di Ekebù is an opera composed by Riccardo Zandonai to an Italian libretto by Arturo Rossato. The opera is based on Swedish Nobel Prize-winning author Selma Lagerlöf's 1891 debut novel Gösta Berlings Saga. It was first performed at the Teatro alla Scala in Milan on 7 March 1925. The opera was staged in Nuremberg in 1929, and the Vereingigten Städtischen Bühnen Krefeld/Mönchengladbach presented a production by Tony Palmer in 1987.[1]