Visualizations of Tonality
CCRMA Affiliates, 10 May 2001
Craig Stuart Sapp (craig@ccrma.stanford.edu)
Ambiguity and Clarity Plots
Am
b
iguity (Relative to constant y-axis values)
Ambguities strongest at dark shades.
Outlines boundaries between modulations
Mozart Viennese
Piano Sonatina
No. 1
Webern Op. 27
No. 1
Cla
r
ity (Relative to constant y-axis values)
Largescale segmentation of the pieces are (somewhat) apparent.
Mozart Viennese
Piano Sonatina
No. 1
Development section (near center) has less clarity than surrounding regions.
Webern Op. 27
No. 1
Ternary form
