There's a chance I might be in Frankfurt and nearby places (Marburg, Heidelberg, Darmstadt, Kassel) in late February. How do I find out what's on? Any trad-ish genre except Irish or Americana - klezmer, Middle Eastern, Balkan, balfolk (or German trad but not much chance of that, I guess). I can read enough German and Turkish to figure out listings and blurbs. There ought to be a folk calendar for Hessen?