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Sectio Decima nona. Musica.
MUsica est Scientia quae Theo∣riam Praximque Harmoniae docet.
Concentus est id quod certum ha∣bet ordinem ex Sonis & Intervallis compositum.
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MUsica est Scientia quae Theo∣riam Praximque Harmoniae docet.
Concentus est id quod certum ha∣bet ordinem ex Sonis & Intervallis compositum.
Haec Scientia de septem hisce se∣quentibus agit, de Sonis, de Interval∣lis, de Generibus, de Constitutioni∣bus, de Tonis, de Mutatione, de Me∣lopaeia.
Sonus est concinnus vocis casus ad unam extensionem:
Intervallum est id quod continetur duobus sonis acumine, & gravitate differentibus.
Guido Aretinus, anno salutis 1028, invenit has sex Syllabas, ut, re, mi, fa, sol, la, quarum mi, fa, vel fa, mi, dimidium Tonum significant, ac se∣quentes sese invicem aliae Tonum absque discrimine majorem aut mino∣rem; Euclides, Ptolomaeus, Aristoxe∣nus, Faber Stapulensis, Boetius, Joan∣nes Keplerus, Salinas, Zarlinus, Vin∣centius Galilaeus Italice.