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--- symmetry_sync [2012-01-13 13:57] – hiaz
+++ symmetry_sync [2012-01-13 14:24] – hiaz
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    * The group of 17 wallpaper patterns of tilings of the plane
          * http://en.wikipedia.org/wiki/Wallpaper_group
+   * It is possible to 'pattern' a room acoustically using a standing sound wave, also called Room Modes. The Hoffmann Building is 19.7 x 15.3 x 15.5m
-   * It is possible to 'pattern' a room acoustically using a standing sound wave. The Hoffmann Building is 19.7 x 15.3 x 15.5m
          * http://www.marktaw.com/recording/Acoustics/RoomModeStandingWaveCalcu.html
-   *
+         * http://en.wikipedia.org/wiki/Room_modes
+   * Schumann Resonances are the Room Modes of planet earth
+         * http://en.wikipedia.org/wiki/Schumann_resonances
+         * A very good SciArt collaboration based on Schumann resonances
+               *
+   * A recent project to allow public domain access to Goldberg Variations. The Musescore edition has been announced for early 2012, so could be used by us, if we get in touch
+         * http://www.opengoldbergvariations.org/
+         * http://musescore.org/en/node/9622
+         * http://www.kickstarter.com/projects/293573191/open-goldberg-variations-setting-bach-free
+   * More Goldberg Variations notations, recordings, midi
+         * http://imslp.org/wiki/Goldberg-Variationen,_BWV_988_(Bach,_Johann_Sebastian)