Make me feel better about myself and tell me I'm not the only one who did this, and just browsed the web while it went through on its own? =P
I figured after two runs of the ES2 on RB2, I deserve this break. If you hate me for being "cheap", cool. If you think this is a genius theory, it isn't, it's been around since Guitar Hero World Tour introduced beginner vocals.
Oh, and if you need confirmation that this works, it's how I got the achievement. I figure if there's no online for this game, why even try to get platinum if I have it in RB2?