As Katy Perry worked through a few rounds of presales late last week, ticket sales prompted the addition of several shows to her already lengthy schedule, while Bruce Springsteen, Christina Aguilera and Foster the People all dipped their respective toes into U.S. tour activity with Jazz Fest ticket onsales.
Pop singer Christina Aguilera has been tapped to serve as a coach to aspiring musicians on the new NBC-TV talent competition "The Voice," which premieres April 26. Joining her as coaches will be Cee Lo Green and Maroon 5's Adam Levine.
Throughout the NFL season, gambling is restricted to which teams win and final scores, but when the Super Bowl rolls around anything goes. On Sunday, the Pittsburgh Steelers and the Green Bay Packers will duke it out in Super Bowl XLV.