http://groups.yahoo.com/group/vanagon/files/Al Knoll's files/Van4.mp3

Is where it's at.  That url will get you to the download screen to pull the
file.

http://groups.yahoo.com/group/vanagon/files

Will get you to the files section.  You will find a folder / path :

Al Knoll's files/Van4.mp3

I can post a higher volume version if y'all like.

pensioner