How could I resist a Tim Burton musical movie? Especially one with Johnny Depp and Alan Rickman singing. Actually these two have a duet that is now stuck in my head. The film is of the dark Burtonesque variety (as opposed to the saturated, lighter tones of Big Fish or Charlie and the Chocolate Factory). This is probably the goriest of Burton's films I've ever seen, but as usual, it was very stylized. I do…