Church Sonata in C major, K. 278
directed by Claus Viller; composed by Wolfgang Amadeus Mozart, 1756-1791 (1777); conducted by Bertrand de Billy; produced by Paul Smaczny, fl. 1995-2015 and Isabel Iturriagagoitia; performed by Vienna Boys' Choir, Chorus Viennensis and Vienna Radio Symphony Orchestra, in A Mozart Celebration from Stephansdom (EuroArts, 2006), 5 mins