[Smt-talk] Standard Configuration of Clausulae

Thomas Noll noll at cs.tu-berlin.de
Sat May 26 03:27:24 PDT 2012

Dear Collective Wisdom,

in the standard configuration of the Tenor-, Discant- and Bass clauses one has a falling tone, rising semitone and a falling fifth all leading to the same finalis:
     Discant: B -> C
     Tenor: D -> C
     Bass: G -> C 
This configuration also has the property that imperfect consonances move towards the perfect octave/unison. 

The addition of a Bass with a falling-fifth - rather than a rising one - to the Tenor-Discant-Configuration seems to be crucial. There is an alternative, though, with an augmented fourth between Bass and Discant, which violates the rule to arrive at a perfect consonance from an imperfect one.
     Discant: B -> C
     Tenor: D -> C
     Bass: F -> C 
We would be interested to know whether you know compositions in which this three-voice configuration has been used. 


Thomas Noll and Karst de Jong

Thomas Noll
noll at cs.tu-berlin.de
Escola Superior de Musica de Catalunya, Barcelona 
Departament de Teoria i Composició 


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