from The Century Dictionary and Cyclopedia
- Going or moving backward, like a crab: in music, used of a canon the subject of which is repeated in the answer backward instead of forward.
Sorry, no etymologies found.
What I want to hear is the retrograde inversion in a 6-part crab canon cancrizans.
Ives wrote in 1932, One variation was the theme in canon, put in three keys together, B-flat-E-flat-A-flat, and backwards the cancrizans of Hindemith who was at Yale?
Haydn's "exercise" for the degree was the following "Canon cancrizans, a tre," set to the words, "Thy voice, O harmony, is divine."
- J.S. Bach - Musikalisches Opfer BWV 1079 - VII Canon a 2 cancrizans