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astronomy

Stroke (composition)

Stroke (composition) is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Stroke (composition) rather than just read about it. In short: Stroke is an orchestral composition by the American composer Joan Tower. The work was commissioned by the Pittsburgh Symphony Orchestra and is dedicated to the composer's brother, who suffered from a debilitating stroke in 2008.

Stroke (composition) — main illustration
Stroke (composition) — illustration

Key takeaways

  • Stroke (composition) belongs to astronomy; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Stroke (composition) to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Stroke (composition) from memory before moving on to harder problems.

Reference excerpt

Stroke is an orchestral composition by the American composer Joan Tower. The work was commissioned by the Pittsburgh Symphony Orchestra and is dedicated to the composer's brother, who suffered from a debilitating stroke in 2008. It was first performed in Pittsburgh on May 13, 2011, by the Pittsburgh Symphony Orchestra under the conductor Manfred Honeck.

Composition Stroke has a duration of roughly 17 minutes and is composed in one continuous movement. Tower dedicated the piece to her younger brother George, who suffered a stroke in 2008 at the age of 60 that left the left side of his body paralyzed. She wrote in the score program notes:The horrific journey of the aftermath of a serious stroke consists of many different emotional stages: crying, anger, anxiety and depression. The huge adjustment of the mind and the DNA of the body requires a strong resilience of emotion and a large amount of mental discipline to adapt to a body that can no longer do the things it did before. The positive side of this experience (and alternate meaning of the word "stroke") is one of occasional but welcomed rests of peace and deep love that become more pronounced as the stroke victim adjusts to his new reality. I tried to depict these extreme emotions through the musical journey of my 17-minute piece. Inside a dramatic and often loud steady beat (of the heart) surrounded by waves of fast notes (which veer between "anxious" and "joyful"), there are five slower (and "softer") solos for horn, bassoon, violin, clarinet and trumpet where more "peaceful" surroundings come forward. Tower concluded, "Stroke is a piece concerned with many emotions, one that hopefully offers a quiet 'hope' at the end. With a stroke, it is hard to tell which way it will go."

Instrumentation The work is scored for an orchestra comprising three flutes (doubling piccolo), two oboes, three clarinets, two bassoons, four horns, three trumpets, three trombones (doubling bass trombone), tuba, timpani, three percussionists, piano, and strings.

Reception Reviewing a recording of Stroke, the music critic Leslie Wright called it "a very well constructed piece that grips one throughout its nearly 20-minute length." He added, "I am quite impressed with this work and think it deserves a place on any contemporary programme, especially if it were performed as well as it is here."

Recording The Nashville Symphony launched a Kickstarter campaign on August 23, 2013, to raise $15,500 for a recording of Stroke, in addition to Tower's Chamber Dance and her Violin Concerto, to commemorate the composer's 75th birthday. The campaign closed on September 22, 2013, having successfully raised $15,585. The recording was released through Naxos Records in May 2015 and was subsequently nominated for the 2016 Grammy Award for Best Classical Contemporary Composition.

References

Illustrations

Stroke (composition) illustration

Worked examples

Example 1 — a first encounter with Stroke (composition)

Start with the simplest possible case. Write down what Stroke (composition) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Stroke (composition) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Stroke (composition) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Stroke (composition)

In research
Stroke (composition) appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Stroke (composition) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Stroke (composition) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2010 compositions, Compositions by Joan Tower, Compositions for symphony orchestra, so understanding it makes those chapters shorter.
In everyday life
Look for Stroke (composition) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Stroke (composition) in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Stroke (composition) means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Stroke (composition) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Stroke (composition) in simple terms?

Stroke is an orchestral composition by the American composer Joan Tower. The work was commissioned by the Pittsburgh Symphony Orchestra and is dedicated to the composer's brother, who suffered from a debilitating stroke in 2008.

Why does Stroke (composition) matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Stroke (composition)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Stroke (composition).

Tags

  • 2010 compositions
  • Compositions by Joan Tower
  • Compositions for symphony orchestra
  • Kickstarter-funded albums
  • Music commissioned by the Pittsburgh Symphony Orchestra
  • Stroke

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