1. Philip Pennance, Commutative Diagrams and the Construction of Musical Scales. Sept. 12, 2025.
2. Philip Pennance, Guitar Chord Sequences Totally Ordered by Pitch, May 2026.
3. Philip Pennance, A Mathematical Introduction to Melody, Aug. 11, 2026.

Tables of Guitar Chords

1. Philip Pennance, Guitar Chord Triads, Ordered by Pitch, May 2026.
2. Philip Pennance, Pitch Equivalent Fingerings of Specific Guitar Chords, June 2025.