Yup :)
Chat with our AI personalities
No, net necessarily. You do need a Wii microphone
Yes you can use the drums or the microphone to play.
you can with mic and guitar, but not drums
Yes you can either get the Band Package: Guitar Hero Game, Drums, Guitar and Microphone or the single package only consisting of the Game and Guitar
You can play Rock band with a guitar hero guitar, but you can't play Guitar Hero with a Rock Band guitar.