Kermit Ruffins, left, and Trombone Shorty, right, take the stage with the Dave Matthews Band before the NFL football season opener between the New Orleans Saints and Minnesota Vikings, at Jackson Square on Thursday, Sept. 9, 2010, in New Orleans. (AP Photo/Kerry Maloney)

Taylor Swift performs before the NFL football season opener between the New Orleans Saints and Minnesota Vikings in Jackson Square on Thursday Sept. 9, 2010, in New Orleans. (AP Photo/Kerry Maloney)

The Dave Matthews Band plays for the crowd before the NFL football season opener between the New Orleans Saints and Minnesota Vikings, at Jackson Square on Thursday, Sept. 9, 2010, in New Orleans. (AP Photo/Kerry Maloney)

The Dave Matthews Band plays for the crowd before the NFL football season opener in Jackson Square on Thursday, Sept. 9, 2010, in New Orleans. (AP Photo/Kerry Maloney)

The crowd behind the gates of Jackson Square cheer for The Dave Matthews Band as they take the stage before the NFL football season opener between the New Orleans Saints and Minnesota Vikings in Jackson Square on Thursday, Sept. 9, 2010, in New Orleans. (AP Photo/Kerry Maloney)

Taylor Swift performs before the NFL football season opener between the New Orleans Saints and Minnesota Vikings in Jackson Square on Thursday Sept. 9, 2010, in New Orleans. (AP Photo/Kerry Maloney)

Kermit Ruffins. left, and Trombone Shorty, right, perform on stage with Dave Matthews of the Dave Matthews Band before the NFL football season opener between the New Orleans Saints and Minnesota Vikings in Jackson Square on Thursday, Sept. 9, 2010, in New Orleans. (AP Photo/Kerry Maloney)

The Krewe of NFL Kickoff Parade cruises by Jackson Square before the NFL football season opener between the New Orleans Saints and Minnesota Vikings in Jackson Square on Thursday, Sept. 9, 2010, in New Orleans. (AP Photo/Kerry Maloney)

Taylor Swift performs before the NFL football season opener between the New Orleans Saints and Minnesota Vikings in Jackson Square on Thursday Sept. 9, 2010, in New Orleans. (AP Photo/Kerry Maloney)

The Krewe of NFL Kickoff Parade cruises by Jackson Square before the NFL football season opener between the New Orleans Saints and Minnesota Vikings in Jackson Square on Thursday, Sept. 9, 2010, in New Orleans. (AP Photo/Kerry Maloney)

Taylor Swift performs before the NFL football season opener between the New Orleans Saints and Minnesota Vikings in Jackson Square on Thursday Sept. 9, 2010, in New Orleans. (AP Photo/Kerry Maloney)

Dave Matthews of the Dave Matthews Band perfomrs before the NFL football season opener between the New Orleans Saints and Minnesota Vikings in Jackson Square on Thursday Sept. 9, 2010, in New Orleans. (AP Photo/Kerry Maloney)

Dave Matthews with the Dave Matthews Band performs before the NFL football season opener between the New Orleans Saints and Minnesota Vikings in Jackson Square on Thursday, Sept. 9, 2010, in New Orleans. (AP Photo/Kerry Maloney)

Laura Bass, of Port Allen, La., cheers as the New Orleans Saints highlight video plays in Jackson Square shortly before The Dave Matthews Band plays for the crowd before the NFL football season opener between the New Orleans Saints and Minnesota Vikings in Jackson Square on Thursday, Sept. 9, 2010, in New Orleans. (AP Photo/Kerry Maloney)