Oh man i just beat this today. I would suggest note skipping (even though everyone makes fun of the guy at IGN). I started with R and the kick, then tried red and green, and finally passed the piece of crap just doing G and the kick. I'm assuming you're having trouble at the R GK part(K=kick pedal), so that's my advice there. Also, with the YY YY YY YY parts, it's a bit slower than you think it is. If that's your problem spot, try slowing it down just a bit and see if that helps.
Good luck man, but this isn't the end of craziness. RttH and Won't get fooled Again...
-CC10
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