[Dixielandjazz] Twinkle, Twinkle ... Knock, Knock

[Robert S. Ringwald]

Bill Gunter writes:

(snip)
> Interesting post on the "Barber Song" as you called it. (the old "shave 
> and a haircut")
>
> In Morse Code, the slant sign is rendered thusly:  Dah dit dit Dah dit 
> ( _ . . _ . ) and the letter "M" is rendered: Dah Dah ( _ _ ).  So the 
> code for " / M " is "Dah dit dit Day dit (pause) Dah Dah!"
>
> But that's just the beginning of the matter.  The whole concept of tension 
> and resolution may be found in the "shave and a haircut" phrase.  It's 
> sort of a microcosm of the blues. The chord progression (in the key of C) 
> is:
>
> C  C  C  F  C / - G7 C
>
> These are the basic chords and in the same sequence (though not time wise) 
> as the twelve bar blues, arguably the root of most jazz as we know it.
>
> The addition of the seventh in the G7 chord adds a certain tension to the 
> progression which is then resolved by the statement of the final C chord.
>
(snip)

Huh???