Well here's some models I'd start with most likely if I were to do this...
Keyboard(it looks like)
http://www.games-workshop.com/gws/catalog/productDetail.jsp?catId=cat440104a&prodId=prod1050068
Two guitarists
http://www.games-workshop.com/gws/catalog/productDetail.jsp?catId=cat440109a&prodId=prod940018a
Dude on the right (I think i see a guitar?)
http://www.games-workshop.com/gws/catalog/productDetail.jsp?catId=cat440256a&prodId=99060110015
I cant see the (what I'm guessing) is the drummer but that should be a good start heh
Keyboard(it looks like)
http://www.games-workshop.com/gws/catalog/productDetail.jsp?catId=cat440104a&prodId=prod1050068
Two guitarists
http://www.games-workshop.com/gws/catalog/productDetail.jsp?catId=cat440109a&prodId=prod940018a
Dude on the right (I think i see a guitar?)
http://www.games-workshop.com/gws/catalog/productDetail.jsp?catId=cat440256a&prodId=99060110015
I cant see the (what I'm guessing) is the drummer but that should be a good start heh