honestly i disagree with Dave, i respect Dave as a muscian and i love FF, but i will say who cares if bands use backing trackings live? nobody should care, some of the biggest live bands from earlier times Motley Crue (sorry if i spelled that wrong) and Depche Mode use them, and some of the bigger live rock acts from today use them- Muse and Linkin Park, i see nothing wrong with that at all, they can do what they want, and all the bands (except maybe Depche Mode, havent heard anything live or anything about them live) generally sound amazing live, so who cares if they use backing tracks, all of them are great musicians and thats what matters