Sticky Vikki and the Pinecones will offer free yodeling lessons at Wednesday’s Picnic in the Park celebration in Central Park, Fourth and C streets. The band will play from 5 to 7:45 p.m.

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 ...