yes you can
Yes. ...And you had the rock band beatles instruments, it would also work the other way
The Deluxe version has Beatles-style instruments and a microphone stand, and the Value version has normal Rock Band instruments.
Noo different game different controls
Guitar Hero.
Yes it does
The instruments are, yes.
I have not tried personally, but it is compatible according to the website
Of course - yo caneven use guitar hero-instruments
Yes! http://gonintendo.com/viewstory.php?id=83661
yep
No, guitar hero works with band hero, but guitar hero and band hero do not work with rock band and vice versa