Spears channels her best “Madonna-with-acoustic-guitar” here on “Criminal,” the only true ballad on the album. A skittery, “Don’t Tell Me”-like beat is accompanied by a sad strummy ...

Additionally, Will.I.Am has produced several of Spears' tracks, including "Big Fat Bass" and most of her album Britney Jean, which featured the hit song "Work Bitch." Their successful history of ...