Rob Cavallo, the man behind My Chemical Romance's The Black Parade and Green Day's American Idiot, has signed on to produce Paramore's as-yet-untitled third studio album.Cavallo, who has also worked with Less Than Jake, Shinedown, Avril Lavigne, as well as socialite Paris Hilton on her 2006 self-titled debut album, produced the band's tracks Decode and I Caught Myself which appeared on last year's Twilight soundtrack.