. A compendium: or, introduction to practical music. In five parts. ... By Christopher Sympson . ualParts, with a pair of Compares (the middlewhereof will hit upon [^ ] Fm, if it be not placedwith fome abatement, for the reafons before men-tioned) and you will find, that the fame wide-nefs of the Compafs which divided the ^thin themiddle, and fo made ^Greater and a Lejfer 3J5 thefame widenefs (I fay) applied from [ /? ] towardsthe Bridge^ will, in the firfi: Place from [/j] pro-duce a 4^/?, in the next place a ^thf and in the nextafter that, an Uhy according to this Line: s£ jLe/jf idi.\Greaf
. A compendium: or, introduction to practical music. In five parts. ... By Christopher Sympson . ualParts, with a pair of Compares (the middlewhereof will hit upon [^ ] Fm, if it be not placedwith fome abatement, for the reafons before men-tioned) and you will find, that the fame wide-nefs of the Compafs which divided the ^thin themiddle, and fo made ^Greater and a Lejfer 3J5 thefame widenefs (I fay) applied from [ /? ] towardsthe Bridge^ will, in the firfi: Place from [/j] pro-duce a 4^/?, in the next place a ^thf and in the nextafter that, an Uhy according to this Line: s£ jLe/jf idi.\Greaf 3d. | Fourth. \ Fifth. \ Eighth. \ J^li d fej But feeing you cannot conveniently hear theSound of that m, it being fo near the Bridge >take the widenefs of the ^th iwm t\iQ Nutt to[^J and you will find that the fame widenefs which 17/^ ^/Discords. 85 ^^hich makes a 5?^, doth make an Sth, m the nextplace after it according to this Line : k\ a h I F you pleafe to try thefe diflances upon*fYebk String of a Bafs-Fiol^ you will have adudion of thefe Sounds. Firfi Line, Second, Line. I thepro-. B V this you may perceive that every equal di-vifion of a Line or String, doth ftill produce agreater Interval of Sound, as it approaches nearerto the Bridge: And by this which hath beenfhewed ; I fuppofe you fee not only the reafon,but neceffity of Greater and Leffer Semitones» Outnext bulinefs is to examine. § 10* Where thefe Greater and Leffer S e m !*•TONES artfe in the Scale (?/ Mu s i c. THIS depends upon the Ke^ in which a Songis fet; and upon the divifion of its 5//; intothe Greater and L^er 3^, and the placing of thefewhich determine whether the Key be flat ox {harp,as hath been fliewed. We will fuppofe the Key tobe in G. The Diatonick Scale hath only two places in eachOtlavCy in which a Semitone takes place. One is inriling to the $th ,• the other in rifing from thenceto the %th : And thefe two Places are known bythe Note Fa\ as formerly fhewed. Thefe two G a Sounds 84 ^ Co
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Keywords: ., bookcentury1700, bookdecade1730, bookidcompendiumor, bookyear1732
