There's no way she's performing jazz standards on the superbowl stage right?..... Right?
No but if Tony is there it means she'll definitely do a song of hers in pop swing style (think Hanky Panky or Robbie Williams' Swing When You're Winning album) and maybe an excerpt of that San Francisco song I think Tony is known for.
When the NFL sees Joanne first week sales and realizes they unwittingly booked a has been It's obvious that the NFL execs are 60 year old men who are five years behind in pop culture. They are still in a 2011-2012 mindset where 'the Lady Gaga' is a popular and talked about starlet.