Not Mozart: Letters, Riddles and Writs [5479] Released: 1991-01-01 Revenue: $0 Budget: $0 Profit: $0 Runtime: 30 mins Popularity: 0.4575 Vote Average: 7 Vote Count: 3 Overview: Letters, Riddles and Writs is a one act opera for television by Michael Nyman broadcast in 1991. Cast [4] Ute LemperWolfgang Amadeus David ThomasLeopold Julian GloverJoseph Haydn Tony RohrLudwig van Beeth Trailers