On Friday, 4th of July 2014 in Landsberg am Lech, oboist Christoph Hartmann (Berliner Philharmonic Orchestra) and the "ensemble berlin" perform the orchestra version of CONCERTO B-A-C-H, a trio sonata that Albrecht Mayer (oboe) performed last October for the very first time in the 'Frauenkirche' (Church of Our Lady) in Dresden.
