We all know yodeling, right? Alpine men and women singing across verdant valleys and snowcapped peaks, sometimes accompanied by a huge horn. NADJA RASS: (Vocalizing/yodeling).
LUCERNE, Switzerland — Yodel-ay-hee ... what?! Those famed yodeling calls that for centuries have echoed through the Alps, and more recently have morphed into popular song and folk music, could soon ...