The lower the pitch, the less the snarl from your tone – so how do we combat this?     Just as how the two certainties of life are death and taxes, the two certainties in modern metal are low tunings and weird screechy noises. But the lower players drop their tunings, the more their guitar tone can suffer.   Done right, low tunings can have serious weight and muster, but done wrong – as it is so easy to do for a myriad of reasons – and tones can be all mud, no clarity.     S