Demo

Bach - Wie schön leuchtet der Morgenstern BWV 36 shown as Pitch/Time Graph, Pitch-Class/Time Graph, Diatonic Lattice, Tonnetz, Filtered Point-Symmetry, and Transformation Network. Ptolemaic software can analyze and display any music in all of these ways. Software designed and developed by Robert Kelley and Gilliean Lee at Lander University.