Nope, not something I discovered for Oktoberfest.  Rather, it's motivated by that copyright suit a band called Spirit brought against Led Zeppelin.  I remember only enough music theory to be dangerous, but I recall something about intervals, sequences, arpeggios, and a few other building blocks that are common to compositions.  Led Zeppelin's Jimmy Page argued similarly.
In 2016, Page testified that his chord progression in the song is a common one, comparing "Stairway" to a "Mary Poppins" song, "Chim Chim Cher-ee." He said the chord sequences "are very similar because that chord sequence has been around forever."

The jury found "Stairway to Heaven" and "Taurus" were not substantially similar, according the 9th Circuit ruling.

But U.S. District Judge R. Gary Klausner failed to advise jurors that while individual elements of a song such as its notes or scale may not qualify for copyright protection, a combination of those elements may if it is sufficiently original, 9th Circuit Judge Richard Paez said.

Klausner also wrongly told jurors that copyright does not protect chromatic scales, arpeggios or short sequences of three notes, the 9th Circuit panel found.
Gosh, does that mean an ostinato can be copyrighted?  If so, the pioneers of boogie-woogie might owe the Bach estate some money.  "Defined by a walking bass line—a repeating sequence of notes that propels the rhythm forward—boogie woogie is the music of movement, perfect for a road trip through the glorious Piney Woods where the style originated."

The form might also be the origin of the expression "back beat."

One of my favorite eateries likes to play country-style boogie-woogie, and a number of the tunes on the play-list remind me of this.

The clip features a scrolling score that clearly reveals that walking bass line.

Now it's time to get to a real Oktoberfest.


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