One of the unspoken rules of Jazz Fest is: If you’re playing the big stage, you’d better be loud. Maybe an Emmylou Harris or a Bon Iver can get away with low-volume subtlety, but for a hometown band to attempt it on the Acura stage is almost unheard-of.

[caption id="attachment_316047" align="alignright" width="350" caption="Hurray for the Riff Raff...