The instruments are, yes.
no
No, guitar hero works with band hero, but guitar hero and band hero do not work with rock band and vice versa
You can
Yes.
ya
Yes, as well as Rock Band 3, The Beatles Rock Band, and Green Day Rock Band, I doubt it with Rock Band
Rockband The Beatles, because the Beatles did make Rock History.
If you mean guitar hero interments then yes you can.
Guitar Hero.
Yes, Any Guitar Hero controller will work with any Rock Band game.
No there will not be because Rock band has already signed a contract with the Beatles.
No. There was only a Beatles Rock Band for the XBox 360.
Yes also rock band 1 pieces will work for the beetles.