Just listened to it. It's likely brisk lfo modulation routed into the VCA and/or VCF. The whole sound is run through somewhat overdriven amps, which are providing much of the aggresive "magic", to be sure.
--- In motm@yahoogroups.com, "edibennardo" <endiendi@...> wrote:
>
> Of course I'm talking of ELP version in the album Works, side four.
>
> It is related with heavy distortion and different harmonic content so, not even sure it can be just a tremolo effect...
>
> Enrico
>
> --- In motm@yahoogroups.com, "edibennardo" <endiendi@> wrote:
> >
> > Any thought about the wonderful tremolo effect that can be heard in Fanfare for the common man at 6:05 and ff with chords and at 6:30 and ff with the solo part?