FILE - In this May 6, 2006 file photo, Theresa Andersson of the Theresa Andersson Group performs during the 2006 New Orleans Jazz and Heritage Festival in New Orleans. It’s a big weekend for ... more 

FILE - In this May 6, 2006 file photo, Theresa Andersson of the Theresa Andersson Group performs during the 2006 New Orleans Jazz and Heritage Festival in New Orleans. It’s a big weekend for singer-songwriter Theresa Andersson, who is performing Friday and Saturday. Andersson is scheduled to play songs from her new album, "Street Parade," on Friday, May 4, 2012 and return to the Fair Grounds racetrack on Saturday for a duet with her friend and mentor, jazz singer-songwriter and pianist Allen Toussaint. (AP Photo/Alex Brandon, file) less