A master of several instruments, Mr. Roy Clark.

Fiddle:
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Electric Guitar, finger-style:
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An unusual 12-string electric guitar:
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Flamenco on an flat top acoustic guitar:
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Banjo:
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Banjo, electric, mandolin, and fiddle (from the Muppet Show)
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YouTube - Rory Gallagher - Too Much Alcohol (http://www.youtube.com/watch?v=z1zsRRt1FWE&feature=related)

Expanding on the idea of being a "one-man band"... :lol:

I saw him play years ago and he was great. Very talented man.