For those interested in italian opera AND the German language (particularly if they are learning german), or happen to be German, I would recommend that they either watch out for this Peter Weigl film or purchase it. Weigl's film combines arias from Donizetti's marvellous opera (Mary Stuarda)with spoken extracts from Schiller's play on the same theme (which altered the historical facts somewhat).
It is a most unusual combination, using Czechoslovakian actors, and the voices of Pavarotti/Sutherland/Tourangeau etc(from Decca recording 1976). For opera lovers an interesting venture into something a little more unusual - for italian/german language learners, a temptation to delve a little further into the culture/music/literature. For all an introduction to a unique experiment by Peter Weigl.
