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Thesaurus of Musical Types
v 4.0 (January 2022)
Citations: the Renaissance Imitation Mass
Cadences
Cantus Firmus
Soggetto (subject) and Countersubject
Contrapuntal Duos
Fuga
Imitative Duos
Periodic Entries
Non-Imitative Duos
Homorhythm
Homorhythm Staggered
Homorhythm Sequential
Homorhythm Dialogue
Homorhythm Fauxbourdon
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CAD
CF
S / Cs
CD
Fg
ID
PEn
NIM
HR
HR-S
HR-Sq
HR-D
HR-F
Cantus firmus
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A cantus firmus is a melody cited in its integrity by a single voice throughout a complete section of music.
In analysis and data entry, the CF can be characterized by:
CF
Cantus firmus
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CF
Soggetto
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S
A soggetto (subject, motif) is a single line, considered as a totality.
It can be any length, from a short motive to a phrase. A plainchant melody is a soggetto, no less than a motive or phrase from a mensural composition.
Modifiers include (these are mutually exclusive):
In analysis and data entry, the soggetto can be characterized by:
Soggetto
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S / Cs
S
Counter Soggetto
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CS
A counter soggetto (subject, motif) is a single line, considered as a totality.
It can be any length, from a short motive to a phrase. A plainchant melody is a soggetto, no less than a motive or phrase from a mensural composition.
Modifiers include (these are mutually exclusive):
In analysis and data entry, the soggetto can be characterized by:
Counter Soggetto
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S / Cs
Cs
Contrapuntal Duo
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CD
Any pair of voices in free counterpoint, consisting of soggetto and its countersubject.
In analysis and data entry, the duo can be characterized by:
Note:
Contrapuntal Duos
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CD
Fuga
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Fg
Any set of entries of the same soggetto, but without modular repetition of vertical intervals.
Sets involving such modular repetition would instead be Imitative Duos or Periodic Entries, as explained below.
Modifiers include:
more
Fuga
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Fg
Note:
In analysis and data entry, the fuga can be characterized by:
Fuga
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Fg
Fuga (periodic)
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Fg
Fuga (sequential)
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Fg
Fuga (strict)
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Fg
Fuga (flexed)
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Fg
Fuga (flexed tonal)
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Fg
Fuga (inverted)
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Fg
No Example
Fuga (retrograde)
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Fg
No Example
Imitative Duos
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ID
Two or more Imitative pairs in which the same sogetto is heard in each successive voice part.
The entries come in sets (at least two, but sometimes more), and thus involve the modular repetition of the same vertical intervals.
Each pair of voices is normally separated by the same vertical and time interval between the imitative entries. Successive pairs can follow at longer or shorter time intervals (but if these were the same time interval as within the pairs themselves, the ID would instead be a PEn (see below).
Invertible counterpoint is also possible, but not common in ID
Modifiers include:
more
Imitative Duos
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ID
Note:
In analysis and data entry, the IDs can be characterized by:
Imitative Duos (strict)
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ID
Imitative Duos (flexed)
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ID
Imitative Duos (flexed tonal)
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ID
Imitative Duos (invertible counterpoint)
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ID
Periodic Entries
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PEn
A regularly-timed series of at least three entries of the same soggetto, where the soggetto is longer than the time interval between entries. Each voice enters after the same time interval, creating modular repetition of the same vertical intervals.
If there is no overlap between the voices there will be no modular repetition, and thus the pattern is properly a “fuga with periodic entries” (see fuga description above)
Invertible counterpoint (INV) is common in PEn, and will result in different (but closely related) successions of vertical intervals.
Modifiers include:
more
Periodic Entries
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PEn
Note:
Periodic Entries
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PEn
In analysis and data entry, the PEns can be characterized by:
Periodic Entries (strict)
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PEn
Periodic Entries (invertible counterpoint)
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PEn
Periodic Entries (sequential)
Voices:
Bassus
Tenor
Superius
Interval: 5+5+
Time: S1/1
Sequential: True
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PEn
Periodic Entries (added entries)
PEN
Voices:
Superius
Contratenor
Bassus
Interval: 8-1+
Time: S3/3
Added entry voices:
Bassus
Do NOT include in selection!
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PEn
Periodic Entries (flexed and flexed tonal)
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PEn
For Flexed and Flexed Tonal, see ID and Fuga above.
Non-Imitative Entries
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NIM
Non-Imitative Duos come in sets: For example: SA > TB, with the same soggetto in the upper voice of each pair (S and T), but accompanied by a contrasting countersubject in A and B. Results in repeating “module' of contrapuntal intervals.
These modules normally repeat at the octave. Two pairs are the norm, but there are often more. I
It is also possible to have three-voice NIMs.
If the successive sets have differing numbers of voices and differing contrapuntal modules, then the pattern is better marked as HR Dialogue.
Modifiers include:
more
Non-Imitative Entries
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NIM
Note:
In analysis and data entry, the duos can be characterized by:
Non-Imitative Duos (strict)
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NIM
Non-Imitative Duos (flexed)
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NIM
Non-Imitative Duos (invertible counterpoint)
Non-Imitative Duos
Voices:
Superius
Contratenor
Tenor
Bassus
Interval: 8-
Time: S3/
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NIM
Non-Imitative Duos (sequential)
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NIM
Example missing
Homorhytym
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HR
Homorhythm is when three or more voices present the text in more or less simultaneous durations.
Modifiers include:
Note:
In analysis and data entry, the HR patterns can be characterized by:
Homorhythm (simple)
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HR
Homorhythm (staggered)
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HR
Homorhythm (ST)
Voices:
Superius
Altus
Tenor�Bassus
Homorhythm (staggered)
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HR-S
Homorhythm (fauxbourdon)
Homorhythm (Faux)
Voices:
Tenor
Contratenor
Bassus
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HR
Homorhythm (dialogue)
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HR
Example Missing
Cadence
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CAD
Cadences are normally defined as octave or unison approach by closest imperfect consonance.
The normal voice roles put half-step ascent (the cantizans) in the superius and the whole step descent (tenorizans) in the tenor. But these roles can exchanged, or played by other voices.
more
Cadence
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CAD
Cadence Types
more
Cadence
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CAD
Cadence Voice Roles and Finals
Irregular Cadences (can be added in any combination to the above categories)
more
Cadence
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CAD
In analysis and data entry:
more
Cadence (authentic)
Cadence
Cantizans: Superius
Tenorizans: Tenor
Type: Authentic
Tone: C
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CAD
Cadence
Cantizans: Superius
Tenorizans: Tenor
Type: Authentic
Tone: D
Cadence (authentic)
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CAD
CAD: to E (See Phrygian Cad below)
Cadence (authentic)
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CAD
Cadence
Cantizans: Superius
Tenorizans: Tenor
Type: Authentic
Tone: F
Cadence (authentic)
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CAD
Cadence
Cantizans: Superius
Tenorizans: Tenor
Type: Authentic
Tone: G
Cadence (authentic)
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CAD
Cadence
Cantizans: Superius
Tenorizans: Tenor
Type: Authentic
Tone: A
Cadence (authentic)
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CAD
Cadence
Cantizans: Superius
Tenorizans: Tenor
Type: Authentic
Tone: B-flat
Cadence (authentic)
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CAD
Cadence
Cantizans: Contratenor
Tenorizans: Bassus
Type: Phrygian
Tone: E
Cadence (phrygian)
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CAD
Cadence
Cantizans: Contratenor
Tenorizans: Bassus
Type: Phrygian
Tone: D
Cadence (phrygian)
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CAD
Cadence
Cantizans: Superius
Tenorizans: Tenor
Type: Phrygian
Tone: A
Cadence (phrygian)
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CAD
Comment: the suspension formula in S/T determines the Phrygian cadence type, which in this case can only be accompanied by the falling fourth bassus motion. Compare with true plagal cadence in next slide.
Cadence
Cantizans:
Tenorizans:
Type: Plagal
Tone: D
Cadence (plagal)
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CAD
Comment: in contrast to the previous example, there is no suspension formula between S/T, and no motion to the octave between those parts. Thus we classify this as a Plagal cadence to D.
Cadence (plagal)
Cadence
Cantizans:
Tenorizans:
Type: Plagal
Tone: C
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CAD
Cadence (dovetail)
Cadence
Cantizans: Tenor
Tenorizans: Superius
Type: Authentic
Tone: D
Dovetail Voice: Contratenor
Dovetail Position: below
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CAD
Cadence (irregular)
Cadence
Cantizans: Superius
Tenorizans: Tenor
Type: Authentic
Tone: D
Irregular Voices:
Tenor, Bassus
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CAD
Cadence (irregular)
Cadence
Cantizans: Superius
Tenorizans: Tenor
Type: Authentic
Tone: G
Irregular Voices: Bassus
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CAD
Cadence (irregular)
Cadence
Cantizans: Superius
Tenorizans: Tenor
Type: Authentic
Tone: D
Irregular Voice: Tenor
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CAD