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A model, a mass, and a motet

David Burn

Like all of his contemporaries, Isaac often based pieces on pre-existent music. The pre-existent material could be sacred or secular, high-class or low, one’s own, by a colleague, or distinguished predecessor. Its use could show off a composer’s talent, pay homage, and add extra layers of meaning. All of these are evident in two works – a motet and a mass cycle setting the five standard mass ordinary texts – that Isaac composed on Comme femme desconfortée, a song probably by the distinguished Burgundian court musician Gilles de Binche dit Binchois (c. 1400–1460; » Hörbsp. ♫ Comme femme).[11] Isaac probably composed both works in Florence in the early 1490s.

Isaac was one of a number of composers, including Josquin, in the late fifteenth and early sixteenth century to incorporate Comme femme into a sacred context.[12] Binchois’s song speaks, unusually, from a female viewpoint, and expresses the singer’s desire to die. In sacred contexts, the originally secular woman was transformed into the Virgin Mary. Isaac used the song’s tenor voice as the backbone for an imposing motet for six voices, Angeli archangeli. Against Binchois’s tenor, the other five voices draw on texts from the liturgy of All Saints. The whole was probably intended to symbolize the Assumption, when Mary was joined by the saints and crowned Queen of Heaven. Isaac used Comme femme again, in a mass cycle of the same title. Here the presence of Binchois’s song (usually paraphrased in the tenor) in each of the movements marks the otherwise neutral ordinary texts as appropriate for Marian feasts.[13]

[11] The authenticity of Comme femme has been disputed by some, but is accepted in Fallows 2001.

[12] Rothenberg 2004.

[13] See also Staehelin 1977, vol. 3, 81–86.