Austrian family of singers memorialized in film and stage production ‘The Sound of Music' (1959); Maria Augusta Kutschera (1905–87) was governess to 7 children of widower Baron Georg von Trapp; married 1927 and had 3 more children; began singing liturgical music as a family mid-1930s; first European tour 1937; escaped Nazi-dominated Austria 1938 and came to U.S.; toured 1940–55; baron died 1947; Maria Augusta recounted experiences in ‘The Story of the Trapp Family Singers (1949); family settled in Stowe, Vt.