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l\ I

1)

s

Co .. . Ir. JL ¡:ncH.i... ,d

I'f('I1t'),ti(ln

is

(,f "

(p::ci::s

cl;!Tc–

rcnt

f.om

ell 0111\

r prupo/t·o¡.s,

~n.1

can lu:

den,nntlra–

u d

ody

frpl1l

rn:h

Ipk!'

rl~1

U:I....

to

¡ ~(dr.

'Tlns ",il:

be:

f~l:n

whe n \\....

~omt: ~u

fh..:\V

ti!!;

f1:::t:lod

of

div:Jin~

J

line

h;:'lmoni.

al!y ;

as

\\\·¡I

OlS

fr on.

lh~

r roport ion fl jucd in

r.umhl:rs .

T b.! lidl

of

the

nOle<;

i:l

thc oamplcs

~uove

is ca lled

the

kcy·('ote. or

key.

Nllt·.vithC!:tndlog

lhr

ir:tc:rvals

In? y

Le:

r:- ,"J...on~d

from ...

ny B:'!cn

nOh!; yec

t(

\Viii ,1Ofwe:r our

rU lr~)r(.

bctlc:r

lO

bC1!iOl

Wllh

the

kt')'.

1

n dle

(id~

cxa mple:,

T he fi rCl iotel val, or J tCl .tllce bet\1.'ccn the i..ey and

r ....

cond,

cúnt:\ins

:!

B:tween tl.e:

:::J

:\nd ; d

3d

ilnd 41h

4 1h and 5,h

S, mitones.

5,h and 6, h

6 ,h ,nd í ,h

7,h

,nd

8,h

r

n ,he fecond ex. mple,

T he

ErC}

¡nterva

l ,

cr di{bnce: belwe:en the

key

and

fe–

cond, conlains

2

remilor:es.

Hetwcc:'l the 2d 2nd 3d

3d

and

~ ,h

4,h ..nd 5,h

2

Semiton".

5,h ano

6'1.

6,h and 7,h

7,h

,nd

8,h

2

F rom thís compuifon of the

t \Vo

feries, it is cvident

there is bUl one ddference, ilnd lhis arifi Ag from the: or–

der of the notes, or place of the remitonc, For if

you

begin

to

read the (ccond feries at the interv<!1b( twecn the

3d and 4,h , , he femi,ones will be found ex aélly in ,he

fame order as in ,he fi r(l example.

In the fir(l example, , he fi dl femitone falls on ,he

~ th

note, or thu which

is

nex t aboye the: 3d

te

lhe

kt:y ;

which 3d is 5 half tone, aboYe the key inclufive1y. I n

Ihe 2d examp!e, ,he hal f·tone folls on ,he 3d note ; and

i, ,herefore i,(elf ,he ,hi rd to the kcy, and i, fou r hal(.

ton~s

aboye the

kcy

inclufivt!l r.

TI,is diCllnl lion of the place of lhe (ernicone is mo(l

worthy of obfcrvation.

il

being lhe only d rcnlial diffe–

rence of tune, lhe ground·work of a11 that ueilutiful va–

riel y which may be introduccd in lhe air or melody, as

wd l as it is lhc principIe or hinge on whict.

tUI

r!s lhe

ré'rolution of evt ry d¡(cord . T hc key.note of c\'(fY tune.

is

lh.u

whereon

lile

tune e:nds; whlch

lhuu~h

it

Olay

be

allerc:d for varic::ty in lhe uppcr

pHt,

yt t

lhe l.t(l note

of the: bil(S is c\'er lhe: key.

' Vhen Ihe 3d lO

(he

key

is 5

ft'mi tones

ID

d ,e

key,

as

in the fi dt

exa01pl~,

Ihat lUne is fJiJ

In

be

conlp'lfcd in

a

fh ..

rp kt y. ' ''hen

lhe

30

10

lhe key is

'1

(eltlitOnls

10

lhe kcy, as ;n the: fecond example, lh".! IU'C is in a na. key.

I\no

(hís,

2$

\I::\~

raid hcr. re, is Ihe only

clífTcrcnt::.!

in tunt.

T his diH:!I(tioo of

fl

\t

and fh arp llilld holJs gocd,

n Ol

orll y in rcl ,l:cJO to

lhe

k\:y . Llll

l :k('v/i ~c

to cvtry nc,te

in the f,.>\I'! ,,( mufi.;k. Am.I in this I:gh t

il

is lIJe (oun·

¿;,tion

(Jf

com;)f.¡fin g ia

c!dí...

r,

nt

ktj'::;

úf

(h.ln

~i'lg

Ihe

, t

r

in til o: f:lflc

lune

wil i,·j,

11" ••

dJc: s the ro rnud t Ol'–

fj ¡c:d

n ri(:¡

In

lllu

1

i_k :

::.lJ

of

·I. : n:r.¡;

: ~I :

f::'J1lc tunt,;

10

\'O L .

1IJ.

~; " .

So.

e

K.

3 1))

d:..crs l cys, ul,i, h

j::;

nll..!u tr:Ulrpo(¡,ion. I1c:'lcc we

l.fLthliOl

lit: fo!lowiog·axioms.

A X 10 '"

JII.

1\s

,b"

ddf" enee of ,he

fl.,

and Iharp

th:ld tO t!le key C'Vnn uut s lhe kcy, and

IS

CITl'ntlód

(1)

t i}.;

dillC:

(o no tune t:umpn(ttl

10

a

fh ..

rp key

C<l.O

b.:

Cnlll j''l¡'",U

into

a

Oat onc, nol'

a

A,jl iolO a

OlOlf ?

j

foc

lhó{ would be

aherin~

lhe

perlllancnt nalu r!! of tllin1;s,

' I'hr truth cf lhis :\xiom \ViII moCl c\'ldcntly arpear,

when \.,¡e lb"l, in the: fct:ond pan, ur pratlice, have Icarn–

ed

¡he

art

of tranl'p" r.lIon.

A XI O fl!

I V T }¡.

.! grc~,anJ conndnlobjt!~lwhich

mu(l be

rOl'&hl ara r in mu(i<:k,

whttll~r

in compofi lion, or pcrfor.

manee of lhorough bars . is variety with uniforlllity. l'or the

propon ions alreaey bid down, and the prodigious "3l1ety

emer,ging froln lhem, as thc:y lie in the order of n.lUrc,

be fo re

lhey

are mod;fi ed, divldcd or combined by

:\rt ,

do not only point

OUt

this

Vj'lr!~t yl o

US; but lhe concords

and

dir~ords

Ilkewife: madc OUt uf lllere,

am!

arrangl'd

by

art, wilInot only nCl fuR:cr us to rec{:(le fr omthe eHablj{h–

ed precepl, but

by

a

kind of fwcct \'íolc:nce: confl: raln

us

tO pur(ue this darling ohj eél.

.

O n lhe truth of ¡his axiom i6 grounded the rearon (or

the mixlure of dlrcord wlth harmonv, and

[he

occdr.on

of this preccpt in

phying

thorIH,g,I! '

b~rs,

namely,

that

lhe hancis (hould as much as poffi ble move in a

con~1

",y

di rea ion.

As 'o the place o( Ihe olhcr 'femiton!, whieh in the

flH

key i, on ,he 6,h , the reafon

01311

be told in i..

proper pl.1ce. And morcovcr, ir mufl be obfcnred, lll at

lhe

grcdter 7th in rhe

nl~ rp

ke}r, which cauCes lhe (econd

(e:m itone

10

fa ll

on rhe 8th in tha!.

k~y.

is

~lfo

comman

lO the

{lat

key

in

many

pa(f:tgcs, blH

unex~eptiona!Jly

i'lt

lhe: cnd of lhe lune,

or

clofe.

S eél' ;l .

O[ th,

CONCORD S

Qnd

D IS CORO'.

Or

lhe inl

ern.Js

lIandi ng in Ihei r nalu ral order are

compoundl d the grealcr in ten 'als, oamcly, the cODcords

and dil'eords .

Thefe are ,he DeXt things tO be

con~dered.

N ow, tO

invdligtte lhe: order of thefe, and thei r proportions

lO

each other, wc muH h;lve recou rfe to the oricinal cauCe

of ((JUIlJ; til:.It

¡S,

to

the

tremulous mOlíon of lhe air,

exci(l!u by lhe percu,lion of Come (ulid

bod y,

as

3

bd J,

fi ring,

or pipe.

T his trl'mbling of the air is in proportíon quick or

(lO\V

as

Ihe

impreffion g; ven it by the \'oice or

an

inOrUillCnt.

T he

quicker the lrenluling

¡s,

rhe more ¡:¡CUle tlt.: (ound;

the

(lo'.t.'er, the more gr.\\'c or

ft.r.

The f",me found

is

lhe Cff'':lC'}

of

thc:

(anle Jegrce of quickne(s

oC

lhe ai r',

l1Iolion con linucd. Hence:

a

(lrin~

founJing thl! fame.

note tOlhe

\. l1rt

of it, vibration. proves, Ih.u the vibrations

ílre

in cq t1:

I tllue3, from thl.! f,run efl lo the

l~afi r~1:lges

of

Il!' 010l io n .

'r hc

f'!1 lJrter a OIufical ll ri nr. is, tbe quicker are iu

\ i–

br.uir,lIs. and Ihl'n:Curc the more .icute the (ound .

T he lcng::r a I:rirg is, tllt: more {]uw are ils

vibratiuflS,

:1nJ fo lhe Olor.!

gr

i\' t:'

the {ound.

T h:

ll.rc

¡rc,

(,0m

the d¡, ¡{jon of

~

mufi(rtl fl ,irg. Ihe

proporllcns of A.: u¡.:r.t: ls ,Ir g.;l\'lI y .re

C(¡lI1pl1t~J.

l1ellcc

v.

e raife: lhc

fvl!o\\'1I1

6

:1

<¡oIm.

.'\XI U M

V . T h\!

qllll'kne f~

of

th ~

V:b¡a. l:c.;r,S is

reci o

1 L

t

1" lIe.: