Hm, looks like 14 RB2 songs wont export...
The 9 Harmonix bands (which will return as DLC later on for free)
Let There Be Rock
Anyway You Want It
Give It Away
As well as 2 RB1 songs not showing up:
Black Hole Sun
And the DLC from the week with 2 Tenacious D songs don't show up for some reason according to some people on certain Fora...