Reading Time: 4 minutes

House of Cards is brilliantly scored, soup to nuts. Last month I wrote about the opening title theme. But one cue is even more special — the evocative underscoring that often makes an appearance when Frank and Claire share a cigarette and conspire. It’s called “I Know What I Have To Do”:

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Apparently it’s special to other people as well: several videos on YouTube will teach you how to play it — an unusual tribute for a background cue. As a bonus, most of them will teach you how to play it wrong (16 sec):

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Nope. Try again (10 sec):

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Sorry, no.

I’m not pointing out these errors to be a pedantic little theorywanker. That’s just a bonus. The understandable errors they’re making reveal something cool and interesting about the piece itself: the fact that it was written by aliens.


You know when kids are first learning to speak, and they say things like, “I goed to the farm and seed the sheeps”? It’s called overregularizing, and it’s actually a sign of sophistication in the learner. Instead of making the daft and pointless transformations from go to went, see to saw, and sheep to sheep, kids regularize all the verbs and plurals to the perfectly good rules they’ve learned, and Bob’s your uncle.

The same thing is going on musically in the errors that pop up when Earthlings try to figure out this House of Cards cue.

In the harmony post, I mentioned that most Western music is based on piles of thirds. Our harmonic language is triads with notes a third apart:

C Major scale chords

Our ears are used to that map. Give us harmonies based on thirds and our compass points home. The wrong tutorials are “fixing” what they hear to give the illusion of knowing which way is north.

Here’s what the tutorials above are doing (wrong notes circled):

Simplified into chords:

But this House of Cards cue isn’t based on thirds (tertian). It’s quartal and quintal — built with fourths and fifths.

Fourths and fifths are great and common in melodies. The first two notes of Amazing Grace are a fourth, as are the first two of Taps. The first leap in Star Wars is a fifth. They also appear all the time in harmony. But when they do, they are mostly flippable into simple position triads — a pile of thirds, as seen in the perfectly Earthly chords above.

But not this time. This music is unflippably strange:

The notes are now right, which is to say they’re correctly wrong. Musicians, look at that bloody mess. What key has Gb, G, Ab, A, D, Db, and E natural? Then there’s that fourthi-fifthiness. Here it is, simplified:

Look at that! Notes all sticking out to the sides, making Baby Jesus cry. It’s just wrong, even without the right hand melody, which makes it even stranger when added in. But that wrongness is why it’s worth talking about. Compare them side by side now, Earthling first, then alien:

It’s subtle, but believe me, the hairs on your neck know the difference.

Like little kids “fixing” grammar, the tutorials are accidentally adjusting the strangeness into something that makes sense. By budging two notes, they turn fourths into thirds, went into goed, alien music into something we can understand. In so doing, they erase a lot of the eerie quality — that unmoored, homeless fourthiness.

Now sure, you can have fourths and seconds and sevenths and all sorts of other things in normal Western Earth music. But there are rules for how they move to harmonically stable intervals, dammit, and these just aren’t following those rules. They’re sliding from one unstable, unholy mess into another.

By the way, I’ll tell you what compositional technique he used to arrive at this. It’s one I used all the time when I was trying to get outside of the box. It’s called Flopping Your Hands on the Keys to See if the Seed of Something Cool Comes Out. I say this with 99% confidence.

Not true for the next few bars, which suddenly go all rulesy — but it’s the complex harmonic rules of the Romantic period:

Chopin worthy

Here’s what that sounds like (12 sec):

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Oh my gourd, that is gorgeous. It could have been lifted straight from a Chopin nocturne.

4chilis smallTheory types will see that the progression is a straightforward iv64 – i in g minor. (How the elephant got into g minor I’ll never know.) The B is an unprepared 7-8 retardation; the F# is a prepared 7-8 retardation. All perfectly rulesy, but wow.

Finally, here’s “I Know What I Have to Do” in scene. Turn it way up:

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Dale McGowan is the author of Parenting Beyond Belief, Raising Freethinkers, and Atheism for Dummies. He holds a BA in evolutionary anthropology and a PhD in music.