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M u s
in!! which the fullowing r~le-s and obf~rv:tio;.s mufi be
premirnl.Ir lhe O1ufick be com ro(cu ror -roiees and innruments
in fl1l1 choirJ ir \Vi II he clc:gant and proper thiH the re~
f;ono bJfs Hand in t!-tt: nc:o refl concord with lhe: fi rll, af–
ter the exalllple of lhe: trc~,lcs and lcnors.
1 'he re..foo ¡5, lhJI 1he 1"'0 choirs lingi ng either toge·
ther, or in refponft:5, wl~1 thus exhitit gredter variclY·
After this manncr \Ve {haH (ce lhe nvo following eX–
. mpllS.
I r lhe mn(jck be for in(}rpmcnts only. rhe difTcrence
of lhe balrt s confiOs in uve Ihings: Flrn. T he or~'iln
.h-:uh Ihe fi r.url s or the lhorou~h ba(s wrilten. Sc:condly,
T he IJ"'($ vlol pufofms lhe fal o pal B, whdc lhe org~n
reth. And in fLlII conctrt tht! l WO b.dTc-s mnvc: in undon.
This is lhe manner in which lhe b"fTes of Infirumental
mufiek are fet by the mon approved m.ners."
We (hall in this place afta our opinioD on lhe fubjct..Cl
of t\Vo b.. ff..:, in inllrumcntal mufick. reLuing 10 fome al–
urarion from lh'C ufu.¡) method of prafhcc: dt fc rlbt<d a·
bove; which. as bein~ perh;.¡ps ne\V, wdl be rccelveJ ac-
e -" & to lhe Dotice it defcrves .
We would llave the part for [he organ move in long
notes, acd by the leafi interVdls j lhe figures fiJl an!;! UF
the harOlony and difcord; while rhe pan lor lhe vJC;!I, n–
eello moving in quicker notes, and grc:ater in tervals, be–
comes derCOlOt to the other bafs. Of thls an c:x.tmplc:
fh all be ~iv(!n whcn w~ come, in the DeXt place, 10 ueat
01 plain defeanr.
To reruro: In mulick of 8 pans, the four notes of e·
chord are rep'!atc:d, (aHo\Ying~ the excepuons re–
",.rked above.) ThereCore, the full hu mony of C\'ery
note is doublc. T he due mixture of which , according
tO lhe rules d elivered. ano lhe comrary motiun of Ihe
pans. produce aH the variety wlllch harmony wilhout
J ifeord is e.p.ble of .ff'ording.
Firll ex.mple of eompofition of 8 p.rts. No 63.
Seeond ex.mple in 8 pans. No . 6.1'
H "l'ing givco eX<lmpl..:s (ufficu~nt tor inftruftion in
cOOlpofitlOn of harmony io lhe fcver::d paru: cf OlufiLk.
and having illuHrated in the fame examples wh:u hath beco
f~id concerning lhe harmony propn both 10 tI,u and lhaJ: p
keys ; we t'h0ll1l proceculo make Juch obrcrvatlons on COO1·
porition in ger,eraJ, as m~y :dTifl lhe pratlitiont. r in lhe
_ppJication o[ Ihe rules al lhe beginmng, or ¡jrlt 3ttc:mpts.
And firfi , concerning the con{~cu tron of pel (('l b i which
lrIuíl be ", oidcd, except in cont rary 1ll0[l0:1 OflhC! r :lrts,
or n'pct ition of Ihe concord in lhe fame: nOIL$ in rdch pan,
or in lhe oélave.
Let the ¡ntena), which conflilurc lhe o{lave be
remembered , as hath becn r. id .bove (on p. 32 t .)
namely, • 5'h and _Ith, • 6 th and 3d, a 7th .nd ,J ;
uking care, thóH when Ihe note of une p.trt rales or
falLs by ene of theft: intt:rl'als, Ihe note of Ihe otha
.,art fhou ld net f.. JI or rife by Ihe interval wllich il lhe
t;omplemC'nt uf the oétavc.
Thus the eonftCulion of 8ths \ViII he eafily avoid. d,
and much troublc thcreuy raveu in fctt ing Ihe: pans.
Again, by Ihe fdolccau tion , \Ve oI.Void lhe cont"c:culion
of Slhs. F or Ihe nOles f~ t in 111\: concord of a 5th,
r ifins "mI falling tog«h:r in lbe dilf«eot pam, by lhe
e K.
r Ime confilwent inf ervals o( the o(l;¡vI!. will Ji~cVlire
mce:t in:l 51h; ando by :h·o,ding luch mo~crr.\.nt of (he:
notes of a 41h , lile cooh:cutlon oi lhe f.¡O}t: IS in the f.\;ac:
mJnn·.r pre\"t:llt~rl .
(:)ne i"U" r.¡;e of ea eh will Olew lhis evident!y. J\c.6 ,.
1~he cOI\fecutlon oE pt..f ft:tts, ji ;s trce, is tolt:ralc\J.
whcn t:fF..:éb:d by OOntr Ol Iy nUllioo of the p.trts. BUl tI.efe
ob(ef\',u ions are m ..dc: fur tia! ¡"., ke of a T, th.u he
nn y neH [00 o incur the ahule of thi s ,. berlY.
Th: n'!xt ob(c:rvatiun is conccrning th:: hñrmony of
the 4lh itl " nat key.
Th e 4th in a fI • t key is either pUl of the concorJ of
lhe flJt 7t h, (.Ir " ,Hit for II~rmony liS own chord .
T he lurmonical fi gures OV\!r {he eX.tmplt.·s pc.;jnt out
this tO right. Not Wl(h(LIOJ;n~. il m,IY be clO< di o \\hat
cafe either hallOcny 15 to b~ prl.!fcrreJ .
' Ve endt:avoul ro ,dt.:l'rI .UIl (his m'a ter upon lhe
princlpl'!s on which Wh,H becn taught i5 de·
monltrdle-d.
lo pa~e 430 . col. l . v.e deduce"d ,his gcnaal rheorem;
That ,h" tf udl harmony is ' oduccd by the whole COA·
cOlds tak("!l IOI!,:dlKr. n.1I ng In fucccflion, as frequcnt
as IS confiltent wuh the approvt d rult:s 01 II",rmony, by
• 5'h.
Thcrcfole, v.. hen 2 clore is mttde on the f:mitone, or
O.H 3d, the h<trmony of lhe 41h or immediatdy prece·
ding note, muH be tite eoneord of the fl. t 7th. F or thu.
lhe whole chord, a r ha ..mony, according to the foregoing
th.orom. f. lls • 5th .
And lh:s ,heorem extends 10 the harmony of every
note whofe intervoJ is a remi tooe, or which Hands a
h.tlf tonc above :llld a whole tone below its contiguous
noteS. whofc IlWVeOl..:ot inlO the next chord n;¡u!l be fal·
Itng , 5'h . .
1 'he rlacrs of lhe remi tone in thc: harmony of tI:" kcy·,
are the kcy, the fl dt 3d, the 4th (10 a n13rp key.) and
lhe flJ.t 6th , and not in lhe h.trl1lony o f the key. where–
foe\'a a femi tonc' is introouced by the addition of a
Iharp ur lI.t, ",het eby a clofe mdy be on the fe–
mitnoe aboye.
1 'h"s rhe ti ut h of lhe fill1 axiom of lhe. pr.1étice is
dlabldhed i whcre It IS f...id, That Ihe harmony 01' e\'ery
not\.!' in lhe COI1lP.{(s of ll1u{jck, proved by the rules 01'
harlllOny, is pMt 01 the concorJ of the kly. or it5 Slb¡
or ~ fCnllfone. F'or ,he Il.u 7th is to [he tiat 3d a 5th.
In lht other c.lfc. ",hen .. clofe is not made on the Il:tt
3d, or '~hcn the harmuny nced nOI fall C' 5th. the-n ,he
4th m.·y h,we lor harmuny its owo chord. And· herc the
4lh ll anJs ¡¡<neo . ll y 10 the hals. Thus No. 66.
1~l¡c prol f of lhis d ~rends on the rd .ul\'e proportic1\
of, tht! Rolt :lnd (h ,¡ rp kt) s ; "nd \llll be gl\'Cn, by that
a:1 lor y. unJcr the.: ;lIticlc ofu:\nfpuíition.
1 'he oblcr\'.ttlon IS in rcfpd l of the pratli.:e of ;Hl·
thors of ¡nlb un11.. nl.t1 mufick, in compuíition of m..ny p.H:S •
\ ,lS In the compofi tlon 01' 7 ~nd S p.'Tt5. th\.' !.oH·
nH':" y uf lhe notes ~rc: doubkci: lhis 15 t"fr~ d cd by the
CO.llr.h'n pf ,\ét icc. after [he moH l',d)' m¡l;nner. by 0011-
bllng whok p'lts; th:H is lO r~l y, ~)' 1\\0 .dtt'rna.' t! U
010 \'10& ti r(ltl~h t:\'ay note in ulli!vn, wht'n in fu ll ~l\n­
cen; all\.1 I·kcwifc tHlla ( w \) alt\.'Tn.\t\.' r :Hts. 1
the útil auJ ' lhll'J violtus iu uutlon ; anJ ,hc re~~"'"
anJ