The LFE channel is useful if you have ... low-frequency effects. There is very little in most music to which I listen that requires a dedicated bass channel with 10dB of headroom built in, and as such, little use for the LFE in music. I agree with Rich's initial post. I am 100% confident that there are some mixes being done with an LFE channel for no other reason than that some people will complain if their LFE light does not turn on.
Regards,
Regards,