(Credit: Harald Hoffmann / Felix Broede) The Philharmonisches Staatsorchester Hamburg has announced a special Christmas concert, which will spotlight the famed soprano Dorothea Röschmann. Röschmann will perform Johan Sebastian Bach’s “Laudamus te” from the Mass in B minor.  Kent Nagano will conduct the Philharmonisches Staatsorchester Hamburg in a program that will also include Schäfer’s “Yamaga” for Violin and String Orchestra, {…}