 Filmed at the Styriate Festival in Graz Austria, Maestro Nikolaus Harnoncourt and his orchestra Concentus Musicus Wien collaborates with the world acclaimed mezzo-soprano Cecilia Bartoli in a concert of rarely performed Mozart arias and Symphony No.38, the "Prague". Harnoncourt founded the orchestra with his violinist wife Alice in 1953. The ensemble is world renown for perfomances of early music on original instruments. A unique concert of virtuoso singing and orchestral style.