GG played in Wien: (from the original program): Friday, 7. June 1957, 19.30 o'clock in "Wiener Konzerthaus" - MOZART-Saal Bach: Kunst der Fuge, Contrapunkt 1,4,2,8 BWV 1080 15 Sinfonien, BWV 787-801 Webern: Variationen, op. 27 Beethoven: Sonate e-dur, op. 109 Berg: Sonate für Klavier, op. 1 Piano: Boesendorfer