I seem to be stuck in Track 3 on a generator (the ones that say 'Do Not Hit'). There's two robots nearby complaining about fixing it. The mini-game always seems to miss. I haven't had ANY timing troubles on anything before this. You have to hit "A" at the right time, then "B" at the right time, and then "X" (and hold X) until the end point.
I get all the way through, but it always says miss at the end. Any suggestions?