Wolfgang Amadeus Mozart: Piccolomini-Mass
Conductor: Erwin Ortner
Organist: Jeremy Joseph and Robert Kovács
Choir: Vienna Boys' Choir, Choir of the Wiener Staatsoper and Choralschola of the Wiener Hofburgkapelle
Orchestra: Members of the Wiener Philharmoniker
All contributors were tested for COVID-19 prior to the broadcast and the rehearsals.