Final Exam Flashcards
What was polyphony based/derived from
chant
Guido wrote four treatises, what were they on?
modes, scale systems, organum (polyphony)
What are the names and functions of the two voices in organum?
Vox principalis is the original chant voice, and the vox organalis which is the added voice above or below the chant voice
What are the three types of movement in organum?
parallel motion, contrary motion, and oblique motion which is one voice repeating one pitch while the other line moves
What are hexachords?
hexachords are a stepwise series of six notes with a whole tone between each pitch except for mi and fa which have a semitone between them. They were basically just teaching tools
What are the perfect consonances in medieval music?
1, 5, and 8, and later, the fourth as well
What are the imperfect consonances in medieval music?
3 and 6 which are imperfect but slightly less so than imperfect dissonances
What are the imperfect dissonances in medieval music?
2 and 7, and they were used less frequently because of this
What interval is ALWAYS not allowed?
Tritones, as they are the devil’s interval and everything was about perfection in this era
What is melismatic organum?
Melismatic organum is where a single note in one voice was counter imposed with a number of notes in the other, long notes were always in the vox principalis and melismas were in the vox organalis
What are the rhythmic modes and how are they used?
rhythmic modes were a system using the relationship between long and short notes, most of which used a triple meter because three was perfection (holy trinity). The shorts were always and eighth but the long could be a quarter or a dotted quarter. It was used basically as an ornamentation and to embelish certain words and syllables in the chant, they can change throughout the piece but only at logical points like a new syllable
What is mensuration?
Mensuration is the division into two parts: tempus, which is the time, and prolation, which is basically how many eighths are in each group, and are then combined to create new rhythms
What is perfect time, perfect prolation?
equivalent to 9/8, 3 groups with 3 eighths
What is perfect time, imperfect prolation?
equivalent to 3/4, 3 groups of 2 eighths
What is imperfect time, perfect prolation?
equivalent to 6/8, 2 groups of 3 eighths