In case anyone’s interested, this is going to be an amazing weekend for classical music in the Twin Cities, and even if that isn’t your usual cup of tea, you’d do well to scan this overview from today’s Strib and pick an event or two that sound interesting to you. In a single three-day span from now through Sunday, you can see any or all of the following: an unbelievably tight and energetic piano trio that’s been haunting area concert halls for almost 20 years; a Norwegian cellist named M