New bass player id confirmed. No word on one show or permanent. 

<a href="http://www.thisissomewhere.com/wp-content/uploads/2012/03/x2_bbc3a49.jpg"><img src="http://www.thisissomewhere.com/wp-content/uploads/2012/03/x2_bbc3a49.jpg" alt="" title="x2_bbc3a49" width="600" height="450" class="alignnone size-full wp-image-8626" /></a>

<a href="http://www.burlingtonfreepress.com/article/20120330/ENT/120329043/Grace-Potter-play-Obama-event-today">http://www.burlingtonfreepress.com/article/20120330/ENT/120329043/Grace-Potter-play-Obama-event-today</a>

She never worried about whether supporters would be angry with her and her band for playing at a Democratic president’s campaign stop. She said she has heard some grief from fans about her choice.

“That doesn’t matter to me at all,” Potter said. “This is an opportunity that anyone would take. It doesn’t matter where you stand. This is our president.”