For the Christmas Oratorio by Johann Sebastian Bach, performed by Vokalakademie in Berlin, Krsitina HELDMANN c/o ART ACT painted the scenery. That the children's version of Bach's Christmas Oratorio is now no longer an inside is a fact painfully experienced by several interested visitors this year. Because both concerts were completely sold out, and the audience in the Potsdam Nikolaisaal – whether young or old – thanked the performers with...