### Pi

The new album "Aerial" by Kate Bush has a song called π (Greek letter p), which is about

*Sweet and gentle and sensitive man*

With an obsessive nature and deep fascination for numbers

And a complete infatuation with the calculation of π...

With an obsessive nature and deep fascination for numbers

And a complete infatuation with the calculation of π...

;-)

She recites π to a large number of decimal places. Actually, she doesn't recite the

*precise*digits of π, and even omits a large block of digits, as has been noticed by many people. Now I

*don't*believe for a minute that KB would make careless mistakes, because she has the reputation for being a bit of a perfectionist. That means that the "mistakes" in the digits are

*deliberate*. How intriguing! This has just

*got*to be a number puzzle that KB has set us to solve.

I don't have a solution to this puzzle. All I have done so far is to listen closely to what KB sings and how she sings it, and I have listed what I hear below.

I break up the digits into groups the same way that KB does (actually there is more structure in the way she sings the digits than I show below), I use bold font to denote digits that she particularly stresses, I put square brackets around digits that depart from the true π sequence, I use "BV" to show a contribution from the backing vocals, and I use "?" to show where I am not sure what I hear.

**3**.14159

26535897932

**3**846264

3383279

[BV chorus]

**5**0288419

716939937510[101?]

**5**82[31]97[10?]49

[BV mini chorus]

44

59

2307816406286208[22 digits omitted]8214

**8**[BV 0?]

865132

[BV chorus]

82

**3**0[BV 0?]664709384460955058223

I have had lots of ideas on how to crack this one, but I'm not so obsessed with numbers that I am going to waste a sunny Sunday sitting at a computer working on the problem. This one gets solved in "slow time".

Has anyone got any ideas on solving this number puzzle? One idea that I reject out of hand is the suggestion that there

*isn't*a number puzzle here!

## 2 Comments:

Possibly some numbers are flow better.... Maybe its an opera thing smirk ....

Maybe no puzzle at all...

- Strega

I did some more work on Pi, and I eventually summarised my findings in a web site that I created at http://www.luttrell.org.uk/pi/index.htm.

Contrary to what you suggest, there is a great deal of interesting structure in this song, and it is used to hide information that you can decipher, provided you look at it the right way.

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