There may have been a part of you that had a dream. You might have thought you could pick up a Rock Band 3 Mustang controller or Squier guitar, learn a few tricks, and instantly start rocking out in Pro Mode. Now, just watch the note charts in this video -- never mind trying to make sense of them -- and feel the weight of your dreams being crushed.
Sorry kids, this is going to take some practice. It's like you're actually playing music or something.