Anything can change, but that unlikely duo has been rehearsing an original opening song and dance routine that is one of 2 big production numbers choreographed by executive producer Adam Shankman. (The other involves extreme street dancers who’ve performed on So You Think You Can Dance where Shankman is a judge and who’ll hoof to samplings from the Best Original Score nominees.) Though Harris is predominantly a TV star, he's an awards show regular. Short also is a TV regular these days, but he has a long relationship with the broadcast’s musical director Marc Shaiman, who put together the opening number.