1000000031

3'fb

CO ft o IIJ.

H cnce

1h..::

h.•

fs a(crndinC

ot'fc'.."ndlf'lg

a ("mitonc. furndh,:s a.n opportunity o f introdu cing

n"tes in

tht

uppn

pJru, which will confliuJte the inhar–

monie (f¡ (cord .

A nd agaio,

,he

(httrp 3d of . ny chord in thc rreble ,

:lny

0\)1":

hwiog lhe

;¡d

litio" of a

{]l'lrp.

anJ rh!rcby

bcco:uing the grc.\t("r 7:h,

m~y

be lhe 3d of;:lo inhar·

monie ; lhe

t,;¡ls

taking lhe

7th. For lhe {h.trp 3d

lh~

chord,

(wlli..:h

is (he

nldrp

4th to Ihe

7th

lltl! bars. ar clfewhere.) ar.d lhe

R,u

7t h. in wh"tlot ver

fl:l.n {hey ;u e reto

b..ds

0 1"

treble, or

o/)th

th'! ue–

hle, conllantly mov\: (.leh his own

\V'dy

lhe

lidl

¡ .

Iccnding . and the

IIt Ier

defcending

lemitonc.

'r hcfe are rhe (jlllplc dlfcords as

lh~':

are

founll

to lie

in the n:ttu ral oruer of founds bctwcco lhe coneonh ;

w ho(c

accomp"nlmcms

are, for the moft pan, h:trmony

among

thCOlCdvC:'L

is evident,

fruln

thC:"I1lt:"lhod in

which

\Ve

t r<leed

them, that

there

is no orher

ch fcord

mong founds.

Notwith!1atding, from

t~.!

con, "i,,¡uon

of two

úmple olf.:-oros,

new form

\)f

olfcorJ

m~y

l'e

ff.lmt:cJ,

willch

t:t.kelh part

of lhe inh:umonic anJ (hCcoril

o f the fernílone ; which

lherefore, we eall th: com–

pound diCcord.

This diCcord is the

(h..

p 3d, Ra! 7th , .nel

,t :J or

femitone to any note whoCe chord h3th a (harp

3d.

I t

rerolved, by the patTage of lhree femitoncs.

(""O

defcending. and

one

areending, into

any

coneord

with a

Iharp

3d ; and cherefore may

introdoced as a prepa·

ration

any

<oncorJ,

elther flat or

thArp

key,

where

lhe greater

is.

Ex.mple of Lhe compound difcord, . nd i1l reColution.

No. 92 .

The

rerolution

of this

difeord,

as it is

conlpounded

the dif<orels of the 6.. 7th, and CemitOne. will pa. takt

of Ihe rcColution of

lhe

fanJe . l "'hus lbe upper note.

femitone, defecnds

into lhe

5th

th~

concord;

~nd

lhe:

fi at

7th . nd 3d me" by eontrary pa(f'ge of

femitone

cach ioto

the

3d and

81h

p~rt

the:

refolution of every

inhlTmooic,

while lhe

blr.~

dcfcends a ph. Thus the

palTace

ioto every note of

lhe:

concord is O, a femitone

fv p,rear a ro.vou rite of nature is lhe

fem itone.

changing the

form

this

dlCcord,

will be re–

folveJ ioto a ehonl with a Rl! 3d, by one f<mi tone de–

fc<nding, and

{ ".VO

afct!nding

lhe

t'.Vo

extreme

nOles

ol' which are lhe fa me as in Ihe

example above ; bm

Ihe

""dolc

nOle

is the S,h areending in'o the 3d, ina ead of

l he

/l.u 7th def¡;ending. The uppcr notes

thtreforc

form

Ihc:

¡L.1t

51 h.

inharmonie intc:rval.

No. 93.

The

}'h'ptrlies

of thofe difcords. and

,ne

inhumo–

T.ic,

(urnilh us wit!l fome

pra",<'ltcal

o6fcrvations ; ""hieh

are, thal lhe

two

dlfconhnt dotes of to efe dlfcords

are

in mufick uf (

p:.rts, a

prcparalion

to, or paf,

eon~

1rary

motioo of

th ~

fern![oncs into Ihe

conc:'HlJs

of the

'1 :'

~. I

0.:1,

.lnd

51h.

\ Vhtn

Ihe

fiat

7th is Ihe

~ppermoll

nOle,

~nd

Ihe Jower rhe fharp 3d, the)"

p~..r5

mto a fh;:arp 3d.

. ' V ,;

u¡'per note il lhe lh1rp 3d, and the

7 th

belo~v, I hl,,~y

p;¡fs ¡nc"

...

R",t

6th ; fo do

likewifc

the

tb,

7th

aboYe,

and lhe chord

note below.

LaOly, lhe t\Vo

extrcme notes

lhe compo\4nc

dif–

r o.d p.f. ioto the eoneonl of the 5th.

K .

11nr,le of

lhe

p.\tT.q~c

o( úiLc rJ.

iñ

r.lu

(;ck of

nvo

p""

N,. 94.

In like m:.l nncr lhere is a

r;¡(r.I~e

ioto the othve from

;t.

difcord,tnt

int<.'rvdl

lhe

uppcr

nOte

which

is pu t of

cf)OclJrd,

:':1<.1

(ho low':r lhe

(~llJitone

of the

compoucd

dl(",·urJ.

No . 95 . O r (he

conlr.Hy

rr here io¡

p;dT:'ge by two

(<.:mitones

ioto the

fl",t

3::1

and

J1urp

6 th

fro",

any JI 'cold<tnt

interval ,

t:x¡;ept die;

(emi tOn·:.

F~r,

in the

pafl:18:

of quick nCHes tncOun –

terinA C-lch

ofller

contrary

motion,

this,

or any olhe r

di(cord.tnt

¡rllel

\"JI,

may

(djJ

jntO

the

coneords.

B at

ruch, bl,,·.ng toler:lti;J only for

th~ir

qcicknefs,

need

not

bt.!

r",dun"d ....s

inueed dlcy

e.mno l.

Jny

rules

of arto

L d.H1y.

lhe

b¿fs

\"JiJl

;:tdmit

t WO

notes logether. each

concordin~

with ir, r.3mC'ly,

the

5th

and

6th ,

and~ .

kin::!

dtlconl

I.t.:t ...

'e';n

Iht·lIfelvcs.

This dlfcord . \'. hich d:(jcrs (rom the proper

and

inhar~

monie,

is rig!ltl:r

c;;tl l\!d

the nllxed

Jlfeord;

each of

Ihe 0"0

notes

b~i ng

in harmony

\Vith the

baf"

snd dif.

Cl\r~J.lot

('.IIdl

OI!H'r.

T he

anllug

of (his di fcord depends upon the rules.

harmony, anJ

IlI"'Y be:

Ct:t

aoy nOte

or lhe b.. fs

whl..:h

hall.

for

harmc ny its own

concol

and

is likewife

th~

mCOlhcr

anoth~ r.

T·herefore. in

thc:

(harp

kc:y,

the key and

5dl.

and

iR.

the

n ..

key, the key 3d. 5'h, and Rat 7d" . dmit • 5t l\

anel 6th.

'\V hen \Ve

Chal)

llave provrd,

under

Ihe

ardc!e or tranC.

POritiOIl,

the 4th

Aal

key,

Qnd 6th in a Ilu rp

keYI

have

thcir own coneo rd;

they

will be

found, no

E.ioubt.

to h:¡ve lhe

privtlege o(

admitring

5th

aod

6 th.

For thus it is

ur.de.

nood . The key h" h a 5th in.i"

own

righ t,

anu

a 6th as Olc:mber

of the 4th.

T he

5th

hath

a 5th in

s own

righl ,

;:lod

6th

member of the hy.

The

3d hath • 5th in his

OWD

rigilt, and a 6 di

as mcmber of

k~y.

The nat 7th hath a Sth in his own right, and .. 6th

os member or the ,d.

Th-u, the 5th

a~d

6th will

n.nd

together to the balso

T he propl!rties of

founus

in Ihe

c Atural

orde·r may be

transf..:rred by an,

anu improved into

al!

the

variety

por.

fible; as this

other

lhan

an imitarion

nature.

l1 enee

\Ve iofer,

that

every

note, which

a{fu mes

the

nattlre of the key, by the adJition of the greater 7th;

",viII

adJllir

5th

anu

6th.

T his 5th is

caf.ly

di(lin~"ifhe.l

from the 5th of .h e

inharOlonic,

whi.eh

alwa)'s

impcT

(c:ll one, and ought

eonnantly

hdve a

Ral

prefixcd .

No\V Ihe churd of

the

inh .l rmoaic

\Vi th a

!h.t

5th

1'5

that of the 6 th tO the baCs note. as h"h becn C,id. But

the ehord of the mixt direord m.y be b_tter underllood

be the ehord of the bafs note, with a 6th added.

Sea ,. Oj' f' GUR ' NG ,;., nASS.

HAVI ~C

dcli \'ered

zll that

halh

f..

llen

llno~r

our

ob–

fcrv.ltioll

conccrning

rhe

nature,

proportton, 2nd u r (,

(\f

difcorJ;

\Ve

OlAII no\V

Ol:1\...e

:ln .4ppheation of the

1 .

le,

in ordcrdo

e'\plain

the

figu ril1g

or the

bafs

t he next

af –

,ido p"' pnfeJ to be fpoken too

FirH,

figuring lhe cuacords.