Chapter 5 Flashcards
Organum
Two or more voices singing different notes in agreeable combinations according to given rules
Parallel Organum
Organum in which the the voices move in parallel motion, usually in fifths
Principal Voice
Original chant melody; usually in the upper voice
Organal Voice
The voice added above or below the principal voice
Mixed parallel and oblique motion
Organum in which the voices move in parallel and oblique motion in order to avoid tritones (Bb-e and f-b); organal voice stays on note while principal voice moves
Note-against-note organum
Organal voice has more freedom and is now above the chant; can move in variety of motions, but must still maintain consonant intervals (unison, fourths, fifths, octaves, and occasional thirds and sixths)
Ad organum faciendum
“On Making Organum;” preserves rules for improvising or composing organum
Musica enchiriadis
“Music Handbook;” widely read music treatise in the Middle Ages
(Listening) “Tu patris sempiternus es filius”
Parallel organum at the fifth below
(Listening) “Sit gloria somini”
Parallel organum at the fifth below with octave doublings
(Listening) “Rex caeli domine”
Mixed parallel and oblique organum (Hairpin effect)
(Listening) Alleluia Justus ut palma
Note-against-note organum; features two soloists, followed by choir; organal voice usually on top
Aquitanian polyphony
Style of polyphony from the twelfth century, encompassing both discant and florid organum
Discant
Occurs when both parts move at about the same rate, with one to three notes in the upper part for each note in the lower part
Florid organum
Florid upper part over a slow moving lower part
Tenor
Lower voice; holds principal melody (Aquitanian polyphony)
(Listening) “Jubilemus, exultemus”
Examples of florid and discant styles (Aquitanian polyphony)
Score notation
Voices written above the text; higher voice written above the tenor
Ligatures
Notegroups; used to indicate short rhythmic patterns
Longs
Long notes
Breves
Short notes
Rhythmic modes
Six basic rhythmic patterns; always grouped in three (modern day 3/8 or 6/8); attributed to Johannes de Garlandia
Tempus
Basic time unit
Anonymous IV
Treatise from about 1285 that talks about Leoninus and Perotinus