If you are a jazz lover this is a great series of concerts taking place every Saturday in the picturesque surroundings of Warsaw's old town. Running from the start of July to the end of August 27 you'll see big international names playing alongside the biggest names in Polish jazz. Check out their website for a full schedule of whose playing when and don't forget it's for free. Book yourself a table in one of the restaurants overlooking the square and treat yourself to some excellent live music to accompany your meal.