Musicology Commons^™

Unusual Accidental Signs, Microtonal Inflections, And Marchetto Of Padua, Alan D. Richtmyer

Dissertations, Theses, and Capstone Projects

This thesis addresses the question of how an interval roughly half the width of the minor semitone could be incorporated into the otherwise strictly diatonic framework of the medieval gamut and then asks whether certain unusual accidentals signs found in fourteenth- and early fifteenth-century sources were meant to signal such inflections.

It demonstrates that when a tone is subdivided so as to produce a microtone, the chromatic part that remains must either be made explicit, or must be transferred elsewhere in the scale so that the encompassing framework of the gamut will remain intact. It shows that when the former …