This website:

http://www.mvyradio.com/music_info/rhythm_&_roots_festival_2006.php#

has archived many sets of music from last weekend's Rhythm and Roots
festival, including two by Steve Riley and the Mamou Playboys.

This link from their site:

http://www.mvyradio.com/downloads/archives.php

includes archives from many prior festivals (Newport Folk Fest,
MerleFest, South by Southwest . . .), all streaming at high bitrates.

Photos from these festivals also posted on this site.