Yes, It Is Polyphony and a Map: Revisiting the 72 Verses of St. Martial

Abstract

The enigmatic 72 Verses for St. Martial is one of the many works by Ademar de Chabannes (989–1034) crafted to promote the false narrative that St. Martial of Limoges, rather than being a third-century bishop, was actually a first-century apostle. The composition is visually striking due to the acrostic formed from the first letter of each tercet, MARCIALIS APOSTOLVS XRISTI, and its two overlapping melodies, one in black ink and the other in red. The relationship between the two notations is the subject of debate: Paul Hooreman’s conclusion that they are two variations of the same monophonic chant is countered by Manuel Pedro Ferreira, who argues that Hooreman’s reasoning is insufficient to rule out polyphony. I use Ferreira’s assessment as a jumping-off point for the current analysis, which investigates the compositional processes underlying the creation of the 72 Verses. Hooreman describes many details in the chant as subject to disorganization, scribal error, lack of ability, etc., but when the chant is analyzed polyphonically, these problems resolve. Beyond the music itself, the chant’s unusual polyphonic structure features reveals that the chant is structured around medieval maps, moving between a mappa mundi and the celestial spheres.