Why Shakespeare loved iambic pentameter - David T. Freeman and Gregory Taylor

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Shakespeare sometimes gets a bad rap in high schools for his complex plots and antiquated language. But a quick peek into the rhythm of his words reveals a poet deeply rooted in the way people spoke in his time — and still speak today. Why do Shakespeare’s words have such staying power? David T. Freeman and Gregory Taylor uncover the power of iambic pentameter.

Lesson by David T. Freeman and Gregory Taylor, animation by Brad Purnell.

To someone first encountering
the works of William Shakespeare,

the language may seem strange.

But there is a secret to appreciating it.

Although he was famous for his plays,
Shakespeare was first and foremost a poet.

One of the most important things
in Shakespeare's language

is his use of stress.

Not that kind of stress,

but the way we emphasize certain
syllables in words more than others.

We're so used to doing this
that we may not notice it at first.

But if you say the word slowly,
you can easily identify them.

Playwright, computer, telephone.

Poets are very aware of these stresses,

having long experimented with the number

and order of stressed
and unstressed syllables,

and combined them in different ways
to create rhythm in their poems.

Like songwriters,

poets often express their ideas through
a recognizable repetition of these rhythms

or poetic meter.

And like music,

poetry has its own set of terms
for describing this.

In a line of verse,

a foot is a certain number
of stressed and unstressed syllables

forming a distinct unit,

just as a musical measure
consists of a certain number of beats.

One line of verse is usually made
up of several feet.

For example, a dactyl is a metrical
foot of three syllables

with the first stressed, and the second
and third unstressed.

Dactyls can create lines
that move swiftly and gather force,

as in Robert Browning's poem,
"The Lost Leader."

"Just for a handful of silver he left us.
Just for a rib and to stick in his coat."

Another kind of foot
is the two-syllable long trochee,

a stressed syllable
followed by an unstressed one.

The trochees in these lines
from Shakespeare's "Macbeth"

lend an ominous and spooky tone
to the witches' chant.

"Double, double, toil and trouble;
fire burn and cauldron bubble."

But with Shakespeare,
it's all about the iamb.

This two-syllable foot
is like a reverse trochee,

so the first syllable is unstressed
and the second is stressed, as in,

"To be, or not to be."

Shakespeare's favorite meter,
in particular, was iambic pentameter,

where each line of verse
is made up of five two-syllable iambs,

for a total of ten syllables.

And it's used for many
of Shakespeare's most famous lines:

"Shall I compare thee
to a summer's day?"

"Arise fair sun,
and kill the envious moon."

Notice how the iambs cut across
both punctuation and word separation.

Meter is all about sound, not spelling.

Iambic pentameter may sound technical,

but there's an easy way
to remember what it means.

The word iamb is pronounced
just like the phrase, "I am."

Now, let's expand that to a sentence

that just happens
to be in iambic pentameter.

"I am a pirate with a wooden leg."

The pirate can only walk in iambs,

a living reminder
of Shakespeare's favorite meter.

Iambic pentameter
is when he takes ten steps.

Our pirate friend can even help us
remember how to properly mark it

if we image the footprints he leaves
walking along a deserted island beach:

A curve for unstressed syllables,
and a shoe outline for stressed ones.

"If music be the food of love, play on."

Of course, most lines
of Shakespeare's plays

are written in regular prose.

But if you read carefully,

you'll notice that Shakespeare's
characters turn to poetry,

and iambic pentameter in particular,

for many of the same reasons
that we look to poetry in our own lives.

Feeling passionate, introspective,
or momentous.

Whether it's Hamlet pondering
his existence,

or Romeo professing his love,

the characters switch to iambic pentameter
when speaking about their emotions

and their place in the world.

Which leaves just one last question.

Why did Shakespeare choose
iambic pentameter for these moments,

rather than, say, trochaic hexameter
or dactylic tetrameter?

It's been said that iambic pentameter
was easy for his actors to memorize

and for the audience to understand

because it's naturally suited
to the English language.

But there might be another reason.

The next time you're in a heightened
emotional situation,

like the ones that make
Shakespeare's characters burst into verse,

put your hand over
the left side of your chest.

What do you feel?

That's your heart beating in iambs.

Da duhm, da duhm,
da duhm, da duhm, da duhm.

Shakespeare's most poetic lines don't just
talk about matters of the heart.

They follow its rhythm.