Possible Clues:

• Glass-roofed buildings accommodating us north of Vienna?
• Hot spicy pod
• European courts including us by name
• Straussian dances avoided by two of those sons of Vienna?
• From Vienna
• Viennese, e.g.
• Mozart, e.g.
• Like Mozart, Faust by Brian needing no introductions
• European in an Asian rut
• European and American in a train slightly confused