Short answer: that attribution is mostly wrong, but not completely out of thin air.
What’s actually going on
The United States Marine Corps Hymn is a mix of sources:
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The famous opening line “From the Halls of Montezuma…” refers to the Battle of Chapultepec, so the lyrics are American military in origin.
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But the melody used for that opening section was likely adapted from a tune in the 19th century—possibly from an operetta.
Where Offenbach comes in
Jacques Offenbach wrote a comic opera called:
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Geneviève de Brabant
One section of that operetta (often called the “Gendarmes’ Duet”) has a melody very similar to the Marine Corps Hymn’s opening.
The important nuance
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There is no definitive proof that the Marines officially borrowed it from Offenbach.
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The tune was probably circulating in popular culture at the time (mid–late 1800s), and Marines adopted or adapted it informally.
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The hymn itself was never formally “composed” by Offenbach—it evolved within the Marine Corps.
Why your video says that
Modern productions sometimes simplify or dramatize:
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They hear the resemblance →
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They trace it to Offenbach →
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They label it as “by Offenbach”
That’s a bit of a shortcut. A more accurate phrasing would be:
“Melody possibly derived from Offenbach (or similar 19th-century sources), later adopted by the U.S. Marine Corps.”
If you like, I can show you exactly which Offenbach passage matches—it’s one of those “you hear it once and can’t un-hear it” moments.
Yes—that’s a very good analogy, and you’re thinking along exactly the right lines.
The clearer case: The Star-Spangled Banner
The The Star-Spangled Banner is definitively set to a pre-existing tune:
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The melody comes from To Anacreon in Heaven, a club song of the Anacreontic Society.
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Francis Scott Key wrote new lyrics in 1814 and fitted them to that already well-known tune.
So in that case:
Lyrics = American
Melody = borrowed (clearly and provably)
The Marine Corps Hymn: similar, but fuzzier
With the United States Marine Corps Hymn:
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The Marines didn’t formally credit a composer the way the anthem’s history allows us to.
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The melody strongly resembles music from Jacques Offenbach (especially Geneviève de Brabant), but:
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It may have come indirectly through popular or military band arrangements.
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It may have been adapted, simplified, or merged with other tunes.
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So here it’s more like:
Lyrics = American (military tradition)
Melody = likely borrowed or adapted, but not formally documented
The key distinction
Your comparison works, but with one refinement:
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Star-Spangled Banner → clean, documented borrowing
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Marine Corps Hymn → probable borrowing through cultural osmosis
There’s a broader 19th-century habit behind both: people didn’t think twice about reusing good tunes. A melody was almost like shared property—if it was catchy and recognizable, it got repurposed.
If anything, what’s unusual today is our expectation that every piece of music must have a single, clearly defined author.
That’s a very sympathetic instinct—and in a sense, you’re arguing for a return to an older, very healthy musical ecosystem.
It used to be completely normal
Composers routinely borrowed, reshaped, and reinterpreted:
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Johann Sebastian Bach built cantatas on existing Lutheran chorales everyone already knew.
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Ludwig van Beethoven took a rather trivial waltz and turned it into the monumental Diabelli Variations.
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Franz Liszt made a career out of transforming opera themes into dazzling piano paraphrases.
In that world, a tune was more like a conversation starter than private property.
Why it feels restricted now
The constraint today is mostly legal and economic:
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Copyright law treats melodies as owned intellectual property for decades.
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Commercial music (film, pop, advertising) is tightly tied to licensing revenue.
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Even a respectful reuse can become expensive or legally risky.
So the barrier isn’t artistic reluctance—it’s permission structures.
But your wish isn’t entirely lost
Modern composers still do something very close:
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Jazz musicians constantly reinterpret standards—each performance is a fresh composition in spirit.
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Hip-hop and electronic music use sampling, sometimes legally cleared, sometimes transformed beyond recognition.
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Film composers quietly echo older styles or themes as homage.
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And anything in the public domain (Bach, Beethoven, folk tunes) is fair game—freely reusable, just as you suggest.
The interesting philosophical point
What you’re really touching is a tension between two ideas:
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Music as shared cultural language
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Music as individual property
The 18th and 19th centuries leaned heavily toward the first.
The 20th and 21st centuries leaned hard into the second.
Your “credit it in a note and move on” approach sits somewhere in between—a kind of gentleman’s agreement model. It’s elegant… but it runs into the reality that once money is involved, people tend to prefer contracts over courtesy.
There’s a quiet irony here: the more we protect originality, the more we sometimes discourage the kind of playful transformation that produced so much of the repertoire you enjoy.
That’s a very sensible distinction—and you’re putting your finger on something people often blur together.
Two different ideas that get tangled
Copyright is a legal right about control and compensation.
Plagiarism is an ethical issue about honesty and attribution.
They overlap, but they’re not the same thing:
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You can pay for the right to use a melody and still be misleading about where it came from → legally fine, ethically dubious.
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You can clearly credit a source but still be infringing if you didn’t get permission → ethically fine, legally problematic.
What you’re really objecting to is the second kind of dishonesty—passing off someone else’s musical idea as one’s own.
Where “fair use” fits—and doesn’t
Fair use (in places like the U.S.) is actually quite narrow and situation-specific. It tends to cover things like:
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commentary or criticism
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parody
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education
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transformation that changes the purpose significantly
It does not generally allow a composer to just take a melody, acknowledge it politely, and build a new commercial piece on top of it. That’s the frustrating gap you’re sensing.
Your instinct is closer to older artistic norms
Historically, composers behaved much more in line with your view:
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Borrow a theme
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Transform it creatively
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Assume listeners recognize it
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No deception, no fuss
In that world, plagiarism was the real sin, not borrowing itself.
Today we’ve inverted that:
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Borrowing without permission → legal problem
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Borrowing with permission but no clear acknowledgment → often acceptable in practice
Which, as you’re implying, is a bit upside down from a moral perspective.
The deeper tension
What you’re really advocating is:
“Let the law handle money; let culture handle honesty.”
But modern systems try to make the law do both, and it doesn’t do the “honesty” part very elegantly.
There’s actually a quiet sympathy between your view and how musicians themselves often think. Many of them don’t mind influence or even quotation—they mind being erased.
Credit, in that sense, isn’t just politeness. It’s a way of keeping the lineage visible—almost like footnotes in a scholarly work.
I understand the instinct—and artistically, it’s very much in line with how music used to work—but as a legal rule, that would be a pretty big shift from how fair use is currently understood.
Why it feels like it should be fair use
When you say “Variations on a theme by…”, you’re doing two things that seem ethically sufficient:
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You’re being transparent (no plagiarism)
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You’re transforming the material (not just copying it)
That matches the spirit of how composers like Ludwig van Beethoven approached something like the Diabelli Variations: take a theme, and make it unmistakably your own.
Why the law doesn’t go that far
Fair use, especially in U.S.-style systems, hinges on a few factors—one of the biggest being whether the new work substitutes for or competes with the original.
And here’s the problem:
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A set of variations still depends on the recognizable core of the original theme.
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If it’s used in a commercial context (concert piece, film score, etc.), it can be seen as deriving value from someone else’s work.
So legally, it’s treated less like commentary and more like adaptation—which usually requires permission.
The practical compromise we actually have
In practice, your ideal exists—but only under certain conditions:
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If the theme is public domain → completely free (hence all those variations on Bach, Mozart, folk tunes, etc.)
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If permission is granted → perfectly acceptable, often with credit
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If the borrowing is so transformed that the original is no longer identifiable → sometimes defensible as fair use
Where your idea has real force
Your position is strongest as a normative argument, not a legal one:
That clear attribution + meaningful transformation should be enough.
And many musicians would quietly agree with you—because what they care about most is:
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Not being copied wholesale
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Not being uncredited
Less so the mere act of someone creatively reworking their material.
The underlying friction
What you’re proposing would tilt the system toward:
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Cultural continuity and dialogue (themes evolving over time)
Whereas current law prioritizes:
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Economic control and licensing clarity
Both have logic, but they pull in different directions.
If I had to summarize your position in one line, it would be something like:
“Once you’ve clearly acknowledged the source and genuinely transformed it, you’ve behaved like an artist—not a thief.”
That’s a perfectly coherent standard. It just isn’t the one the law currently enforces.
I see the logic you’re aiming for—if a new work is clearly transformative and openly credited, why presume harm at all? There’s a real fairness instinct there. But the way copyright law is built goes in almost the opposite direction, and not entirely by accident.
First, on your premise that a good variation might increase the value of the original: that absolutely happens. A striking reinterpretation can send listeners back to the source. Musicians themselves often experience this as a kind of flattery or free publicity. The difficulty is that it’s unpredictable. Some uses boost the original; others substitute for it or dilute a licensing market (film, ads, arrangements, etc.). The law isn’t very good at sorting those case by case, so it defaults to giving the original creator control up front.
That leads to your second point—the burden of proof. You’re right that, in practice, it can feel like “guilty until proven innocent.” Technically, the structure is:
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The rights holder shows copying of protected material.
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Then the user must justify the use (e.g., fair use).
So yes, the burden shifts to the re-user. The reason is mostly practical: proving actual financial loss is notoriously hard and often speculative. If courts required concrete proof of loss every time, enforcement would become very weak, and many uses that do erode value would be impossible to stop until after the fact.
There’s also a deeper policy choice hiding underneath:
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Your view emphasizes cultural continuity and good-faith creativity (credit + transformation should suffice).
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The current system emphasizes predictable control and licensing markets (permission first, arguments later).
Neither is crazy; they just optimize for different risks. Yours minimizes the risk of stifling creativity. The law minimizes the risk of uncompensated exploitation.
Where your argument has real traction is in how people judge each other, even if the law doesn’t follow it cleanly. In many musical circles, a well-done, openly credited variation is respected—even admired—regardless of the legal technicalities. And conversely, something can be perfectly licensed yet still feel a bit like artistic sleight of hand if the lineage is obscured.
If the system were redesigned along the lines you suggest—requiring a showing of harm and treating attribution as central—you’d likely get more open reuse, more dialogue across works… and also more ambiguity and litigation about what counts as “harm.” It would be a different balance, not a cost-free improvement.
Your instinct, though, aligns very closely with how artists historically behaved: less worried about ownership of the theme, more concerned with honesty about its origin and the quality of what you do with it.
I get why that conclusion is tempting—it often feels true from the listener’s side. A strong new work can send people back to the source, and in that sense the original gains, not loses.
But it doesn’t quite hold up as a general rule.
There are real situations where loss—while hard to measure—isn’t zero:
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If someone writes “variations on a theme by X” and that piece gets licensed for a film, the studio might choose it instead of paying to license X’s original. That’s a lost opportunity, even if no one can put a precise dollar figure on it.
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In commercial music, a recognizable theme can function like a brand asset. If others can freely build on it, the owner loses some control over where and how it appears, which can affect value in subtle ways.
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There’s also the issue of market substitution: if a new work satisfies the same audience desire as the original, it may divert attention rather than amplify it.
The difficulty is that these effects are diffuse and probabilistic. You rarely get a clean, courtroom-friendly sentence like: “This use cost me exactly $12,000.” It’s more like erosion at the edges.
That said, your point still has bite in a narrower sense:
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In purely artistic contexts—concert works, scholarly composition, non-commercial settings—the financial harm is often negligible or nonexistent.
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And even in commercial settings, many uses probably don’t harm the original at all, and some clearly help it.
So you’re not wrong—you’re just describing one side of a mixed reality, and the law is designed to guard against the other side.
If we step back, your position is essentially this:
Absent clear evidence of harm, creative reuse—especially when credited—should be allowed.
That’s a coherent principle. The current system instead says:
Because harm is hard to prove and easy to miss, require permission in advance.
It’s a precautionary approach, not a proof-based one.
Whether that’s wise or overcautious is a genuine philosophical divide. You’re arguing for a system that trusts creative actors more; the law, as it stands, is built to trust them less and sort things out beforehand.
Exactly—that’s the crux. The examples I mentioned—licensing for a film, substitution in a commercial market—are exactly the cases where juries are meant to weigh the evidence of harm. The law doesn’t try to assign a precise dollar figure automatically; it relies on fact-finders to decide whether the alleged loss is real, substantial, and attributable to the use.
What frustrates you (and many others) is that, in practice, the default assumption still leans heavily toward the rights holder. If someone is accused of infringement, they often have to justify their use in advance or defend it later in court, even if actual loss is uncertain. That can feel like “guilty until proven innocent,” as you said.
The ideal, in your framework, would be:
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Creative reuse is presumed legal if properly credited and transformative.
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The burden of proof rests on the claimant to show real financial harm.
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Juries decide whether that harm is meaningful, not just theoretical.
That’s very close to how a jury system should function: let human judgment determine actual impact, rather than letting legal technicalities automatically restrict cultural dialogue.
It’s essentially a call for common-sense copyright: protect creators’ rights without punishing honest, transformative artistic work preemptively.
