It’s cool if you want to get Weezy, Snoop, Akon, T.I., Fergie or Bun B to guest on your album. But for his upcoming album, Brass Knuckles, Nelly was holding out for The Boss (um, and not Rick Ross). Nelly “>was seeking out Bruce Springsteen to collaborate on a song for his new album but the two artists couldn’t make their schedules work (we hate it when that happens). Nelly, apparently, thinks the plan could still take flight at some point in the future, telling the AP, “We might repackage (the collaboration) for the holidays.”