Yes. I can play "guitarhero".
There are 49 songs in Guitar Hero: Metallica.
nope
drums
Probably.
no
I don't see a big difference.
The guitar can be used as a guitar or bass.
3 notes
Two.
I would love to answer your question, but please be more specific on what exactly you want Guitar Hero Aerosmith compared to.
the only way is to either play the campaign on a different difficulty, or cheat