Le Nuove Musiche: Giovanni Battista Bovicelli? Page: 7
iv, 42 p. : ill.View a full description of this thesis.
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Aurelio Virgiliano
Aurelio Virgiliano is only known for his 10 commandments on ornamentation from his
unfinished book I1Dolcimelo (c. 1600). The book was left unfinished but dates to the turn of the
17th century. The rules written in the beginning of the actual book contains some of the most
important information on the practices of ornamentation from the late Renaissance. The rules
read as follow:
1. Diminutions should move by step as much as possible.
2. The notes of the divisions will be alternately "good" and "bad" notes. (In other
words, the continuous moving notes will have consonants and dissonant notes).
3. All division notes which leap must be "good" (the ornamentation that jumps
intervals must be consonant intervals).
4. The original note must be sounded at the beginning, in the middle, and at the end
of the measure, and if it is not convenient to return to the original notes in the
middle, then at least a consonance and never a dissonance (except for the upper
fourth) must be sounded.
5. When the subject goes up, the last note of the division must also go up; the
contrary is also true. (If the melody of the original madrigal or motet goes up,
the last notes or figures of the ornamentation should also go up. The same is
true if the melody of the original madrigal or motet goes down, the last note or
figure of the ornamentation should also go down).
6. It makes a nice effect to run the octave either above or below, when it is
convenient. (Sometimes the octave jump makes a good effect). 15
7. When the jump of the octave is made, it should be to an octave above, not
below, in order to not interfere with the other parts.
8. The diminution (ornamentation) should not separate from the subject (from the
original melody) further than the interval of a fifth, either above or below.
9. An exemption is found in the case of two "sol's" in the middle of the range.
I1 0 115 Ibid., 305.
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Gámez Hernández, Carlos. Le Nuove Musiche: Giovanni Battista Bovicelli?, thesis, August 2010; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc30458/m1/12/: accessed July 17, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .