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Re: The SM58...Here's how I did it - have Gillian Welch and David Rawlins stand on stage, with an SM57 on a stand pointed at the 18th fret of Ms. Welch's Gibson J50 guitar. She plays a few chords. See if Welch and Rawlins smile, or scowl. Replace SM57 with another and repeat. Pretty soon you'll have two piles of 57s - ones that make smiles, and ones that make scowls.Then do the same thing with SM58s and Ms. Welch's voice...
Re: The SM58...
Here's how I did it - have Gillian Welch and David Rawlins stand on stage, with an SM57 on a stand pointed at the 18th fret of Ms. Welch's Gibson J50 guitar. She plays a few chords. See if Welch and Rawlins smile, or scowl. Replace SM57 with another and repeat. Pretty soon you'll have two piles of 57s - ones that make smiles, and ones that make scowls.
Then do the same thing with SM58s and Ms. Welch's voice...