Hans Koch

• May 15, 2017
  Elgar with Leila Bordreuil, 65 Fen
  

• March 10, 2013
  Barry Guy New Orchestra, Alte Gerberei, St Johann in Tirol
  

• March 9, 2013
  Barry Guy New Orchestra Workshop, Alte Gerberei, St Johann in Tirol
  

• March 8, 2013
  Hans Koch Solo, Alte Gerberei, St Johann in Tirol
  

• November 20, 2010
  Barry Guy New Orchestra, Muzeum Sztuki I Techniki Japonskiej Manggha, Krakow
  

• November 19, 2010
  Barry Guy New Orchestra Rehearsal, Alchemia, Krakow
  

• November 19, 2010
  Watts-Robertson-Koch, Alchemia, Krakow
  

• November 18, 2010
  Barry Guy New Orchestra Rehearsal, Alchemia, Krakow
  

• November 17, 2010
  Koch-Holmlander-Lytton-Strid, Alchemia, Krakow
  

• November 16, 2010
  Koch-Bauer-Holmlander, Alchemia, Krakow