...Ève Poudrier The parsing of undifferentiated tone sequences into groups of qualitatively distinct elements is one of the earliest rhythmic phenomena to have been investigated experimentally ( Bolton, 1894 ). The present study aimed to replicate and extend these findings through online...

...Fred Lerdahl This paper undertakes a comparative study of concepts and visual representations of hierarchical aspects of musical structure. After consideration of the rhythmic components of grouping and meter, the discussion turns to pitch-event hierarchies and the tonal hierarchy (or pitch space...

... developments in Tonal Pitch Space (Lerdahl, 2001). I conclude with a diagram that encompasses the major components of the expanded GTTM/TPS theory. © 2009 By the Regents of the University of California genesis generative grouping tonal tension pitch space Genesis and Architecture of the GTTM...