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Morton Feldman’s Coptic Light for orchestra begins with a static, very repetitive passage. Its sounds and musical rhetoric are far removed from Beethoven’s.

Nearly twenty minutes later, the opening is revisited.

Once again, time has had an effect. At the reprise, the upper strings revive the two-note pattern that they played at the opening: This is what creates the impression of return. However, the winds originally played similar patterns to the strings. At the return, their music consists only of isolated single attacks. There is also a murmuring underlying rhythm that was not present at the opening. The overall result is of an incomplete reminiscence, because there are more disconnected attacks and“bubbling”activity underlying the upper strings.

Measuring time's effect

Short-term and long-term returns

The distance between original and return is measured in the amount of intervening music. If hardly any music separatesthe related passages, the wait is parenthetical; if a great deal happens, the wait is more significant. Clock-time canbe a helpful guide, but only in the context of the piece's specific proportions: a minute is negligible in an opera,but nearly a lifetime in a bagatelle.

If the wait is long and the changes are subtle, progress is occurring very gradually.

If, on the other hand, the wait is brief and the changes are dramatic, the material is particularly volatile. Themore volatile the material, the less likely that it will ever be recuperated in its original form.

For instance, consider the opening of Beethoven's Bagatelle , opus 126, no. 1. The main theme is presented. It is then immediately repeated in itsentirety. The repetition is embellished: it is more rhythmically active and reaches higher in register.Change is immediate, making the repetition more dynamic and progressive.

Compare the Beethoven to the following passage from Igor Stravinsky's Rite of Spring . In the excerpt, a ruminative melody is presented. Then, after a shortwait, the melody returns.

Once again, the transformed version follows closely on the heels of the original. In this case, the changes arealmost cataclysmic! The theme is presented more boldly and in a higher register. The texture is ferocious andagitated, with rapid rhythmic figuration and more complex, strident harmony.

In both the Beethoven and the Stravinsky, the volatility of the material is a signal that it will never be recovered inits original form. Local impermanence makes large-scale stability less plausible. If a musical idea is so restlessthat it can barely "hold onto itself" when it is immediately repeated, it makes it less likely that the music will ever be ableto recuperate itself exactly.

When the original passage and its return are further apart, time's effect may be a reflection of the original's inherentstability or volatility. But it also reflects the power of the intervening music to leave its mark. In The Odyssey , Ulyssses' tribulations and love affairs do not mar his triumphant reunion with his family: He is ableto reclaim his wife and son. On the other hand, experience is not so kind to King Lear. During the play's first scene,he banishes his most faithful daughter, Cordelia. They are eventually reunited. But the catastrophic events that haveoccured in the interim cannot be undone: His beloved daughter dies in his arms.

Questions & Answers

can someone help me with some logarithmic and exponential equations.
Jeffrey Reply
sure. what is your question?
okay, so you have 6 raised to the power of 2. what is that part of your answer
I don't understand what the A with approx sign and the boxed x mean
it think it's written 20/(X-6)^2 so it's 20 divided by X-6 squared
I'm not sure why it wrote it the other way
I got X =-6
ok. so take the square root of both sides, now you have plus or minus the square root of 20= x-6
oops. ignore that.
so you not have an equal sign anywhere in the original equation?
Commplementary angles
Idrissa Reply
im all ears I need to learn
right! what he said ⤴⤴⤴
what is a good calculator for all algebra; would a Casio fx 260 work with all algebra equations? please name the cheapest, thanks.
Kevin Reply
a perfect square v²+2v+_
Dearan Reply
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Abdirahman Reply
algebra 2 Inequalities:If equation 2 = 0 it is an open set?
Kim Reply
or infinite solutions?
The answer is neither. The function, 2 = 0 cannot exist. Hence, the function is undefined.
Embra Reply
if |A| not equal to 0 and order of A is n prove that adj (adj A = |A|
Nancy Reply
rolling four fair dice and getting an even number an all four dice
ramon Reply
Kristine 2*2*2=8
Bridget Reply
Differences Between Laspeyres and Paasche Indices
Emedobi Reply
No. 7x -4y is simplified from 4x + (3y + 3x) -7y
Mary Reply
is it 3×y ?
Joan Reply
J, combine like terms 7x-4y
Bridget Reply
im not good at math so would this help me
Rachael Reply
I'm not good at math so would you help me
what is the problem that i will help you to self with?
how do you translate this in Algebraic Expressions
linda Reply
Need to simplify the expresin. 3/7 (x+y)-1/7 (x-1)=
Crystal Reply
. After 3 months on a diet, Lisa had lost 12% of her original weight. She lost 21 pounds. What was Lisa's original weight?
Chris Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
many many of nanotubes
what is the k.e before it land
what is the function of carbon nanotubes?
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
what is system testing
what is the application of nanotechnology?
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
anybody can imagine what will be happen after 100 years from now in nano tech world
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
silver nanoparticles could handle the job?
not now but maybe in future only AgNP maybe any other nanomaterials
can nanotechnology change the direction of the face of the world
Prasenjit Reply
At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
Ali Reply
the Beer law works very well for dilute solutions but fails for very high concentrations. why?
bamidele Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Michael's sound reasoning. OpenStax CNX. Jan 29, 2007 Download for free at http://cnx.org/content/col10400/1.1
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