We’ve updated our Terms of Use to reflect our new entity name and address. You can review the changes here.
We’ve updated our Terms of Use. You can review the changes here.

Sudoku Collection 2020

by Christopher Hobbs

  • Digital Album
    Streaming + Download

    Includes unlimited streaming via the free Bandcamp app, plus high-quality download in MP3, FLAC and more.
    Purchasable with gift card

      £7 GBP  or more

    You own this


Sudoku 104 09:59
Sudoku 78 16:02
Sudoku 58 07:59
Sudoku 133 15:51
Sudoku 120 09:16
Sudoku 51 15:42


Christopher Hobbs, Sudoku Collection 2020

So far I have made 138 pieces with the title Sudoku. Nearly all of them use Apple’s GarageBand software for their sound sources and realization. Some of them have already been issued; a double CD by the EMC in 2006 (EMC 104), Sudoku 82 in a live realization by Cold Blue in 2009 and Sudoku 104 as an EMC single download (EMC 105) This set dates from 2007-2010. I have chosen them to run together (hence the inclusion of Sudoku 104 which I think makes a suitable introduction to the set) though obviously they were not made with that in mind. In common with my other Sudoku pieces I chose the building blocks of the pieces; the sound-world, the choice of loops, the duration. Other aspects of the music – the repetition of loops, their positioning in the overall structure, dynamic changes – were chosen using random means derived from hexadecimal Sudoku grids. Notes on individual pieces follow.

Sudoku 104 (2009): GarageBand includes a few spoken words, and these were incorporated into the piece. The word “attention” at the start is entirely fortuitous, as is the appearance of a hitherto-unused loop right at the end of the piece.

Sudoku 78 (2008): In this piece there are eight tracks of organ sound, each using a low C as a drone, each track then having a different higher note to form the scale C D E F# G A Bb C. The tracks are constantly on the move as far as dynamics are concerned; each reaches a point of maximum volume on four occasions, marked by a glockenspiel note to reinforce the point.

Sudoku 58 (2007): A homage to the Swiss sculptor Jean Tinguely and his kinetic art-works.

Sudoku 133 (2010): Otherworldly sounds. Almost alone among the Sudokus, this one was made using Logic Pro.

Sudoku 120 (2009): Made using “Space vibes” sounds

Sudoku 51 (2007): A mix of organs and dreamy guitars.

Christopher Hobbs, 6 September 2020


released September 6, 2020


all rights reserved



Experimental Music Catalogue Leicester, UK

...experimental music since 1969....

Downloadable new and archive recordings from the EMC.

contact / help

Contact Experimental Music Catalogue

Streaming and
Download help

Report this album or account