Inglis Collection of printed music > Printed text > Introduction to the skill of musick, in three books

the Skill of Mufick. 103
The Fourth Note cannot have a Sixth, becaufe
<jf Tautology, it being the lame as the Third
before; the Major Fifth is not good, becaule it
has no relation to the Key ; the Minor Fifth can*
not do, by realbn the following Note of the
Treble does not move to the half Note below,
which is the conftant Rule of a falfe Fifth to
introduce a Third ; an Eighth is not lb well, be-
caule that is to be avoided as frequently as you
can in two Pans, .therefore the Third is the belt
Cord.
The Fifth- Note cannot have an Eighth, be-
caufe 'tis the lame Note as the former ; a Third
is not lb well, by reafon you do not obferve the
Rule of contrary Motions in afcending when
the other delcends , and then you have had
Thirds to the ocher two lall Notes; therefore
for variety a full Cord is beft , and confe.
quently the Fifth to be preferred before the
. Sixth.
The Sixth Note cannot have an Eighth, be-
caule 'tis the lame Note as the former ; a Ffth is
not good; for fear of two Fifths together,a Sixth
or Third are the only Cords, of which I efreem
the Ihird beft, following the Rule of contrary
Motions.
The Seventh Note cannot have an Eighth, by
realbn 'tis the lame with the other; neither a
Fifth, becaufe it 'makes no preparation for the
next Note; therefore a Sixth or Third is the pro-
pereft Cords, of which the Third in my opinion
is beft; for if you take the Sixth,\t mutt be /Wp,
and ib make a Third to the following Note,
H 4 which