First thing I do to a Les Paul is rewire it to hybrid 50's style, that way you can turn down the volume controls and keep the highs. No need for treble bleed caps. Easiest mod in the world and it instantly opens the guitar to all those classic rock sounds. Many great guitar sounds were played with loud amps turned way up and great guitars with volume turned down.
The mod is pretty easy, on the volume controls switch the tone cap leg form the left leg to the middle leg.
You'll get tone controls in series with the volume and switch, when normally the tone would run parallel.
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