THE prestigious 2016/17 International Concert Series continues at St David’s Hall on Wednesday 22 February as the Philharmonia Orchestra are joined by sensational pianist Pierre-Laurent Aimard.   These two great performers are at the very top of their game and combine forces for the nobility and grandeur of Beethoven’s Emperor Concerto, which was composed as Napoleon’s guns thundered across Vienna. Also on the repertoire is the iconic German composer’s Overture, Namensfeier.   Film fans will immediately recognise…