A number of companies sell custom Wii Guitars for the use with games such as Rock Band and Guitar Hero. this site (FreshDeals.com) and Best Buy both stock a large selection of these custom Wii guitar products.
yes
For wii you don't need the guitar, you can just use the controller.
you need a wii remote for the mic just like the guitar, drums and bass.
yes they go in your wii remote to plug into the guitar controller (you need AA)
Yes it will work Band Hero is the same brand of Guitar Hero.
Yes
yes
You have to softmod it. go to http://hackmii.com/
no u cant only for the 360 version How do you do it for the 360?
nope, only if modded. that would be the only way
There is a Guitar Hero for Wii, but it isn't exclusive to Wii.
No, not for Guitar Hero (Wii) nor Rock Band (Wii).
The Guitar Hero guitar will work RockBand for the Wii, but may not work for Beatles: Rock Band.
Sorry, no.
yes!
Yes, It should.
For wii you don't need the guitar, you can just use the controller.