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␈↓ α∧␈↓␈↓ ε↔91␈↓ 
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␈↓"β␈↓ α∧␈↓␈↓ βK␈↓¬⊂⊗⊃L[%0.03,%-2.8]:N78FB.PLT[HHA,LCS]⊂⊗⊃␈↓














␈↓"β␈↓ α∧␈↓␈↓ αdThe␈α⊃above␈α⊃is␈α⊃certainly␈α⊃a␈α⊃borderline␈α⊃case.␈α⊃ It␈α⊃would␈α∩not␈α⊃be
␈↓ α∧␈↓considered␈αas␈αa␈αmodulation␈αexcept␈α
for␈αthe␈αindependence␈αof␈αbars␈α
11
␈↓ α∧␈↓to␈α18,␈αwhich␈αform␈αa␈αunit␈αwith␈αimportance␈αalmost␈αequal␈αto␈αthat␈αof
␈↓ α∧␈↓the␈α~first␈α≠ten␈α~bars.␈α≠ What␈α~makes␈α~this␈α≠a␈α~dubious␈α≠example␈α~of
␈↓ α∧␈↓modulation␈α
is␈α
the␈αlack␈α
of␈α
harmonic␈α
variety␈αin␈α
the␈α
␈↓&E␈↓)αβ␈αsection.␈α
 There
␈↓ α∧␈↓are␈αno␈αnew␈αtemporary␈αtonics;␈αin␈αfact,␈αthere␈αis␈αonly␈αone␈αchord␈αthat
␈↓ α∧␈↓does␈αnot␈αfunction␈αas␈αI␈αor␈αV.␈α An␈αonly␈αslightly␈αbroader␈αview␈αwould
␈↓ α∧␈↓be␈αnecessary␈αto␈αcall␈αthe␈αmovement␈αto␈α␈↓&E␈↓)αβ␈αa␈αchange␈αof␈αcontrol␈αtonics
␈↓ α∧␈↓in the level of the middle ground.

␈↓"β␈↓ α∧␈↓␈↓ αdAfter␈α∂the␈α∂double␈α∂bar,␈α∂we␈α∂have␈α∂a␈α∂brief␈α∂development␈α∞section
␈↓ α∧␈↓freely␈α
based␈α
on␈αthe␈α
material␈α
of␈αbars␈α
5␈α
to␈α
10.␈α Since␈α
there␈α
is␈αno␈α
local
␈↓ α∧␈↓reference␈α∂to␈α∂␈↓&A␈↓)αβ␈α⊂at␈α∂the␈α∂double␈α⊂bar,␈α∂the␈α∂following␈α⊂progressions␈α∂are
␈↓ α∧␈↓shown␈α∞as␈α∞dependent␈α∞on␈α∞a␈α∞basic␈α
tonic␈α∞of␈α∞␈↓&e␈↓)αβ.␈α∞ Under␈α∞this␈α∞basic␈α
tonic
␈↓ α∧␈↓are␈α
control␈α
tonics␈α∞of␈α
␈↓&b␈↓)αβ␈α
(v)␈α
and␈α∞␈↓&a␈↓)αβ␈α
(iv),␈α
this␈α
latter␈α∞becoming␈α
major
␈↓ α∧␈↓and␈α
then␈α
the␈α∞basic␈α
tonic␈α
upon␈α
the␈α∞return␈α
of␈α
the␈α∞original␈α
material
␈↓ α∧␈↓(measure 31).

␈↓"β␈↓ α∧␈↓␈↓ αdThe␈α⊃status␈α⊃of␈α⊃the␈α⊃functions␈α⊃after␈α⊃the␈α⊃double␈α⊃bar␈α⊃(measure
␈↓ α∧␈↓19)␈α∂naturally␈α⊂are␈α∂somewhat␈α∂different␈α⊂when␈α∂the␈α∂repeat␈α⊂is␈α∂taken.
␈↓ α∧␈↓In␈α↔fact,␈α↔the␈α↔three␈α↔notes,␈α↔E-F#-G,␈α↔can␈α↔easily␈α↔be␈α↔heard␈α_as␈α↔the
␈↓ α∧␈↓␈↓ ε↔92␈↓ 
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␈↓"β␈↓ α∧␈↓extension␈α⊂of␈α∂the␈α⊂final␈α∂A␈α⊂chord,␈α∂so␈α⊂that␈α∂it␈α⊂becomes␈α⊂the␈α∂dominant
␈↓ α∧␈↓function␈α∂of␈α∞␈↓&D␈↓)αβ.␈α∂ But␈α∞then␈α∂␈↓&D␈↓)αβ's␈α∂vi␈α∞(␈↓&b␈↓)αβ)␈α∂may␈α∞be␈α∂immediately␈α∂heard␈α∞in
␈↓ α∧␈↓direct␈α
relation␈α
to␈α
the␈α
basic␈α
tonic,␈α
␈↓&A␈↓)αβ.␈α
 We␈α
must␈α
not␈α
forget,␈α
however,
␈↓ α∧␈↓that␈α~when␈α→music␈α~is␈α→repeated␈α~literally,␈α→the␈α~functions␈α~of␈α→the
␈↓ α∧␈↓opening␈αmeasures,␈αthe␈αsecond␈αtime␈αthrough,␈αtake␈αon␈αa␈αdual␈αaspect.
␈↓ α∧␈↓At␈αonce␈αwe␈αrealize␈α
we␈αare␈αtaking␈αa␈α
fresh␈αstart␈α(or␈αcontinuing␈α
once
␈↓ α∧␈↓again␈α~from␈α→earlier␈α~material)␈α→and,␈α~at␈α→the␈α~same␈α→time,␈α~we␈α→are
␈↓ α∧␈↓continuing␈α
on␈α
from␈αthe␈α
final␈α
part␈α
of␈αthe␈α
section.␈α
 Only␈α
briefly␈αdo
␈↓ α∧␈↓repeats␈α∃influence␈α∃our␈α∀comprehension␈α∃of␈α∃the␈α∃functional␈α∀details.
␈↓ α∧␈↓But␈α⊂the␈α∂influence␈α⊂on␈α∂the␈α⊂background␈α∂elements␈α⊂can␈α∂be␈α⊂more␈α∂far-
␈↓ α∧␈↓reaching.␈α∩ It␈α∩is␈α⊃enough␈α∩that␈α∩the␈α⊃diagram␈α∩above␈α∩shows␈α∩only␈α⊃the
␈↓ α∧␈↓␈↓↓differences␈↓ caused by the repeat.

␈↓"β␈↓ α∧␈↓␈↓ αdThe␈αmovement␈αto␈αthe␈α␈↓&D␈↓)αβ␈αof␈αthe␈αTrio␈αconstitutes␈αa␈αmodulation
␈↓ α∧␈↓of␈α
a␈αdifferent␈α
sort.␈α This␈α
Trio*␈α
is␈αactually␈α
a␈αseparate,␈α
self-contained
␈↓ α∧␈↓piece.␈α
 This␈αis␈α
usually␈αthe␈α
case␈αin␈α
this␈αtype␈α
of␈αwork,␈α
even␈α
when␈αa
␈↓ α∧␈↓passage␈αof␈αretransition␈αto␈αthe␈αMenuetto␈αmight␈αbe␈αadded␈αat␈αthe␈αend
␈↓ α∧␈↓of␈α⊃the␈α⊃Trio.␈α⊃ Within␈α⊃this␈α⊃Mozart␈α⊃Trio␈α⊃it␈α⊃is␈α⊃best␈α⊃to␈α∩consider␈α⊃that
␈↓ α∧␈↓there␈α⊃are␈α⊃no␈α⊃real␈α⊃modulations.␈α⊃ The␈α⊃main␈α⊃reason␈α⊃for␈α⊃taking␈α⊂this
␈↓ α∧␈↓position␈α∂is␈α∂that␈α∞even␈α∂though␈α∂the␈α∞dominant␈α∂(␈↓&A␈↓)αβ)␈α∂becomes␈α∂a␈α∞strong
␈↓ α∧␈↓control␈α⊃tonic,␈α⊃the␈α⊃passage␈α⊂using␈α⊃this␈α⊃key␈α⊃presents␈α⊃no␈α⊂important
␈↓ α∧␈↓independent material but merely repeats two cadential formulas.
␈↓"β␈↓ α∧␈↓ 
␈↓"β␈↓ α∧␈↓Figure 79.  Mozart, Sonata in A, K.300i(331), 2nd movement Trio
␈↓"β␈↓ α∧␈↓ 








␈↓"β␈↓ α∧␈↓__________
␈↓"β␈↓ α∧␈↓*␈αBecause␈αof␈αspace␈αconsiderations␈αthe␈αmusic␈αfor␈αsome␈αof␈αthe␈αlonger
␈↓"␈↓ α∧␈↓examples␈αunder␈α
discussion␈αwill␈αnot␈α
appear␈αin␈αthe␈α
text.␈α However,
␈↓"␈↓ α∧␈↓it␈α∃is␈α∀essential␈α∃that␈α∀the␈α∃scores␈α∃here␈α∀dealt␈α∃with␈α∀be␈α∃at␈α∃hand␈α∀for
␈↓"␈↓ α∧␈↓reference when the analytical diagrams are studied.