Margit´s Song from the operetta "Wo die Lerche singt" ("Where the Lark Sings") Margit´s Song from the operetta "Wo die Lerche singt" ("Where the Lark Sings") Main opus "Wo die Lerche singt" ("Where the Lark Sings"), operetta in 3 acts, libretto by Alfred Maria Willner and Heinz Reichert