Cologne's Carnival is known the world over as the epitome of German zaniness — complete with people in costumes linked arm-in-arm, swaying to the music and gleefully singing traditional songs. That part hasn't changed — but it's not the full story. Carnival, or Karneval as it's known in German, may have a new look and feel but what's changing even more is its sound. Cologne 's music scene is huge and unique in Germany . It has transformed rapidly over the past two decades — and that has