Our next question is from Chris from Kentucky.

Hi, Dr. Ryder, they write.

My uncle once told me he went to a club in Chicago in the 60s and saw the blues legend Robert Johnson play.

But he died in 1938, and he never made it up to Chicago.

Nevertheless, my uncle swears he saw him. Do you know how this could be?

Chris, I do believe I know what your uncle saw.

For a while, from sometime in the 50s through the 70s, there was a popular tourist theater in South Loop called

A Look and A Voice.

Every night the Marquis would read the name of someone famous,

Louis Armstrong, Cab Calloway, Robert Johnson, as you mentioned, being three of the most common names to appear.

Most locals knew something funny was going on at the club,

but just assumed cover performers or imitators were looking to trick tourists out of a few bucks.

But by all accounts, the man who performed at the club, at least our best

guesses say it was a single man as no matter who was performing, they always had a large

mole on their left nostril, had some sort of supernatural talent,

one that allowed him to mimic the physical appearances and voices of these performers.

It said he could play the same instrument to the same standard as the person he was imitating as well.

It's unclear if that was also a supernatural gift or came about through disciplined practice. Whoever this musical mimic was, they kept their

true identity a secret, never made themselves known. Perhaps they feared lawsuits or just drawing too much attention.

At some point in the 70s they disappeared, at least from a look and a voice.

I'm afraid I don't really have any more information.

I will say though if you go into nearly any Chicago record shop you'll find

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