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“There are six vices of composition (…): the mixing of comedy and tragedy in the same part of the work; unsuitable digressions; obscure brevity; unsuitable mixing of styles; improper mixing of subjects; and the use of endings not suitable to the type of writing.” [De Arte prosayca, metrica, et rithmica (13th century treatise), by John of Garland]


Clarinet in Bb (also Eb and bass clarinet), violoncello, percussion. [ca. 10’00] Premiered by : Matt Ingalls (clarinets), Monica Scott (cello), Loren Mach (percussion), and Chris Jones (conductor); Stanford University, May 29, 2008. Recorded on the CD Música Plural by Percorso Ensemble (Ricardo Bologna, director) sponsored by Petrobras.

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