Super Mario Galaxy Walkthrough 71: Heavy Metal Mecha-Bowser

Next place is Toy Time Galaxy, it's one of my favourite Galaxys in the game, Toy Time has a very useful ability, which you'll need to find out in this video. What's the point of calling the title "Heavy Metal Mecha-Bowser", that is spoling the whole level, and also Heavy Metal has got nothing to do with robots, it's to do with music or something.