Mezzo soprano Dorottya Lang sings in a gala concert at the Vienna Stephansdom with the Wiener Sängerknaben, Chorus Viennensis and Wiener Domorchester conducted by Gerald Wirth, with works by Bach, Mozart, Schubert, Brahms, etc. The concert is under the auspices of the Regine Sixt Kinderhilfe Stiftung and takes place on the 14th November at 20.30.