Carnival spokesman Robert Slight told how they had contacted a number of celebrities - including Britney Spears, Rod Stewart and Jessie J - but most replied back to say they were not available.
We managed to see a bit of video demoed on the thing, and certainly the screen looked quite nice as it played back the trailer for J Edgar and flipped through the pages of a Spider-Man comic.
We did, however, adjust the volume so that both tracks would play back at nearly the same level, though both mics were the same distance away from the J-45 each time.