0:00:00.072,0:00:01.680
(Score book cover: Bach Musikalisches Opfer - Musical Offering - Offrande Musicale)

0:00:01.680,0:00:07.742
[1st half of the canon - harpsichord] (book opens: Johann Sebastian Bach - Canon Cancrizans - The Crab Canon)

0:00:07.742,0:00:11.637
(Straight score of the theme of the Crab Canon)

0:00:11.653,0:00:17.495
(Music stops - zoom on straight score)

0:00:17.545,0:00:22.232
[harpsichord, 1 voice: Theme, straight] (visualized by a silver ball above the score)

0:00:44.971,0:00:50.306
[Theme played backwards] (a golden ball under the score moves accordingly right to left)

0:01:15.367,0:01:20.277
[Haprsichord, 2 voices in canon] (the 2 balls move accordingly on the Moebius score)

0:01:44.133,0:01:50.302
[Harpsichord, 1 voice: First part of the theme, twice] (Theme score splits in 2 and the 2 parts move to form a Moebius strip)

0:02:04.041,0:02:10.187
[Harpsichord, 2 voices] (On the Moebius strip, 2 pins - 1 golden 1 silver - follow the 2 voices)

0:02:17.341,0:02:22.340
[Harpsichord, 2 voices] (pins invert direction)

0:02:34.002,0:02:40.218
[Canon plays on, other instruments enter] (Moebius strip changes back to straight score)

0:02:52.080,0:02:58.836
(Zoom off)

0:02:58.836,0:03:02.151
(A film by Jos Leys www.josleys.com - Images created in Povray)

0:03:02.151,0:03:04.282
(Music performed by Xantox www.strangepaths.com )

0:03:04.297,0:03:06.420
(Score book closes)