[The content of this article has been produced by our advertising partner.]For centuries, Leipzig has been a city where music mattered. Johann Sebastian Bach spent the last 27 years of his life there as the city’s music director. Richard Wagner was born there. Felix Mendelssohn conducted there and founded Germany’s first conservatory.The Gewandhausorchester Leipzig – the world’s oldest continuously operating civic orchestra – grew out of that culture. When it arrives in Hong Kong this June, it...