Unfortunately the full article is not in the New Scientist......

http://www.newscientist.com/article/...the-yodel.html

.....but you can listen to a young singer yodel here......

My favorite yodelling gal:



I even got to see her yodel live in concert in LA back in the early days of her career.

You didn't say who that was. I would be interested to know.

I note that after it ends you can click on another YouTube clip done by Tiffany Jo Allen. She is also good and sounds better due to her younger vocal chords. The girl in the clip I posted above has a very pure yodelling sound which I like (I used to be a singer as a child).

That is the unmistakeable voice of Jewel.