Possible Clues:

• Holy city
• Half-heartedly mock lame eccentric touring American city
• City near the Mount of Olives
• It was captured by British forces in 1917
• City played in London initially in 2009
• Zion
• Holy city of the Jews, sacred also to Christians and Muslims
• 'Sing through all --' (carol)
• Judge left to probe piece of legislation about disputed city
• Occasional jade auction held in strange city