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#2196487 - 12/12/13 10:39 AM Video Animation of Bach's "Crab Canon"
tlh1 Offline
Full Member

Registered: 02/12/12
Posts: 41
Loc: Florida
Great video

http://www.openculture.com/2013/02/the_g...bius_strip.html

Years ago I read Goedel, Escher, Bach but really didn't get much out of the Bach part (that was before my life as an adult beginner). In any case, this animation does a great job illustrating the underlying structure. A Moebius strip? Give me a break!

Hope this hasn't been posted here before.
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Oliver

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#2196509 - 12/12/13 11:32 AM Re: Video Animation of Bach's "Crab Canon" [Re: tlh1]
Polyphonist Offline
7000 Post Club Member

Registered: 03/03/13
Posts: 7571
Loc: New York City
It has been posted before, more than once. But it deserves another thread. grin
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Polyphonist

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#2196557 - 12/12/13 01:23 PM Re: Video Animation of Bach's "Crab Canon" [Re: tlh1]
jotur Offline
5000 Post Club Member

Registered: 09/16/06
Posts: 5496
Loc: Santa Fe, NM
I love this, and always fun to see it again. I'm glad you found it, and thanks for posting.

Cathy
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#2196561 - 12/12/13 01:36 PM Re: Video Animation of Bach's "Crab Canon" [Re: jotur]
tlh1 Offline
Full Member

Registered: 02/12/12
Posts: 41
Loc: Florida
Crab/p, I should have known smile Why didn't I find it when searching?

BTW is this in Eb major? What is this upside down question mark clef and that extra large 'sharp sign' in the beginning?
_________________________
Oliver

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#2196587 - 12/12/13 03:04 PM Re: Video Animation of Bach's "Crab Canon" [Re: tlh1]
Polyphonist Offline
7000 Post Club Member

Registered: 03/03/13
Posts: 7571
Loc: New York City
It's in C minor, and the weird notation is the shorthand Bach uses instead of writing out the whole realization, which can be viewed here.
_________________________
Regards,

Polyphonist

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#2196589 - 12/12/13 03:23 PM Re: Video Animation of Bach's "Crab Canon" [Re: Polyphonist]
tlh1 Offline
Full Member

Registered: 02/12/12
Posts: 41
Loc: Florida
Thank you, Polyphonist. So the first note (in the video) is a C? I thought it's the treble clef and then the first note would be an E (but the flats would be wrong), right? And doesn't the first note often decide whether it's the major or its parallel minor? Sorry I'm confused ...
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Oliver

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#2196627 - 12/12/13 04:43 PM Re: Video Animation of Bach's "Crab Canon" [Re: tlh1]
Polyphonist Offline
7000 Post Club Member

Registered: 03/03/13
Posts: 7571
Loc: New York City
Originally Posted By: tlh1
Thank you, Polyphonist. So the first note (in the video) is a C?

Yes.

Originally Posted By: tlh1
I thought it's the treble clef.

It isn't.

Originally Posted By: tlh1
And doesn't the first note often decide whether it's the major or its parallel minor?

Not really.
_________________________
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Polyphonist

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