See below for some recent posts showing the current progress in the project, or here for the full list of posts in this category.
A grammar theory of Jazz harmony
The regularities underlying the structure building of chord sequences, harmonic phrases, and combinations of phrases constitute a central research problem in music theory. This article proposes a formalization of Jazz harmony with a generative framework based on formal grammars, in which syntactic structure tightly corresponds with the functional interpretation of the sequence. It assumes that (…)
A Formal Model of Extended Tonality
Extended tonality is a central system that characterizes the music from the 19th up to the 21st century, including styles like popular music, film music or Jazz. Developing from classical major-minor tonality, the harmonic language of extended tonality forms its own set of rules and regularities, which are a result of the freer combinatoriality of (…)
Protovoices – a New Model of Free Polyphony
At this year’s ISMIR Conference, we presented our work on protovoices. Protovoices address the problem of how the notes are organized in a piece of music written in free polyphony. Free polyphony means that the notes are neither organized in a fixed set of voices (as in a chorale or a fugue) nor in simple (…)