"Art of Diagram" is an ongoing Open Access publication project, which is based on the pictures/diagrams of the Virtual Museum "Sound Colour Space". The pictures of the virtual museum website (2017) are archived one-to-one in the media archive. The publication (print/ePub) is planned for 2022.
Led by Daniel Muzzulini (CH) and Susan F. Weiss (U.S.), an international group of scientists formed a study group "Musical Diagrams", officially installed at the International Musicological Society in September 2020. The "Art of Diagram"-online meetings of the study group and other materials are published here.
The short video documents the activities of the Study Group "Musical Diagrams" at the 21st Quinquennial Congress of the International Musicological Society (IMS), which took place in Athens from 22 to 26 August 2022. The work "Typology & Topology of Musical Diagrams (2020)" by Gerhard Dirmosers (Linz) consisting of 34 posters in a matrix arrangement has been displayed for the first time. These posters feature the "universe of diagrams" from the history of music theory (and color theory) as interrelated diagrams following various networks.
Several posters by Daniel Muzzulini and his collaborators - Susan Forscher Weiss, Christoph Reuter, Christoph Stähli) complement the exhibition. Corresponding interactive new exhibits from the Virtual Museum Sound Colour Space and a mechatronic instrument (E-Bow) were also shown at the exhibition.
The 14th century diagrams in the focus of this paper deal with geometric sequences, fractional powers and recursion, which are mathematical topics relevant also for music theory: defining consonant intervals, comparing the sizes of musical intervals and dividing them into equal parts, constructing musical scales with several equal steps. These diagrams might have paved the way to mathematical concepts further developed only in the 16th and 17th centuries.
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Zürcher Hochschule der Künste
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18.07.2023
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Art of Diagram Talk 12
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Subtitle
Sounding Spheres. On Time and Movement in Medieval Circular Diagrams
Medieval methods to visualize sound developed in dialogue with geometrical, arithmetical, cosmological, grammatical, philosophical, logical, and theological knowledge. Located between the sensory and the imaginative, the quadrivium of musica, geometry, arithmetic, and cosmology was nonetheless grounded in the realm of the visual. Visualizations of the harmony of the spheres, the harmony of the human body, and bodily perceived sounds appear in manuscripts as diagrams, graphs, and line drawings using parchment, ink, and pigments. The talk focuses on two circular medieval diagrams from the 9th and 10th centuries. Close analysis of the diagrams and their codices will demonstrate how medieval scribes and scholars created new shapes and forms on parchment to move between dimensions.