Bach’s “Canon a 2 Cancrizans” from “The Musical Offering”: A Divine Puzzle

The canon, which features one or more imitations of the same melodic line performed at varying intervals over a given duration, is one of music’s most intriguing contrapuntal devices. In The Musical Offering, BWV 1079, J.S. Bach takes this technique a step further with the canon cancrizans, or “crab canon.” Here, the melodic line can be played as written, and also in reverse, in a way similar to a crab crawling backwards. …

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Bach’s Musical Offering: The Ricercars

J.S. Bach’s monumental chamber music collection, Musikalisches Opfer (The Musical Offering), was inspired by a momentous meeting. It began on May 7, 1747 when Bach met Frederick the Great in Potsdam. At the time, J.S Bach’s son, Carl Philipp Emanuel, was employed as one of the Prussian King’s most prized musicians. Frederick gave the elder Bach a tour of his palace, showcasing his vast collection of instruments, among which was a novel new keyboard …

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