Theory IV

Dr. Avner Dorman • Gettysburg College • Spring 2026

Calculators & Tools

Calculators, demos, and reference pages used across the course.

Composition PC-Set Rhythm Audio Jazz & Pop Twelve-Tone Notation

Composition Project

MTA PC-Set Calculator external ↗ Pulse Lab external ↗

Pitch-Class Set Theory

Normal Form Calculator Interval Class Vector Calculator Set Class Analyzer Transposition Slider (Tn) Inversion Axis Demo (In) Common Tones Under Transposition Set Class Reference Table Neo-Riemannian Tonnetz Explorer Modes Reference (Diatonic & Parallel)

Rhythm and Meter

Euclidean Rhythm Generator Metric Modulation Calculator Timeline Visualizer Pulse Tempo Animator

Audio and Pitch

Rhythm-to-Pitch Frequency Sweep Waveform Type Comparison

Jazz & Pop

Jazz Chord Symbol Reference

Serialism & Twelve-Tone

12-Tone Matrix Calculator

Notation

Hocket Melody Splitter