Cantus vs Counterpoint Dojo

Cantus - Voicing Lab is an interactive harmony and chord-voicing tool by Nathaniel School of Music for pianists, composers, producers, and music theory students. Explore how notes move inside chords, hear voicings in context, and study color, tension, and modal relationships from the keyboard. Cantus is designed as a focused practice lab: pick a sound, inspect the voice leading, and build intuition for how harmony feels under your hands. FEATURES * Interactive chord and voicing explorer * Piano keyboard visualization * Modal and scale-based harmony practice * Voice-leading movement and pinboard-style comparison * Tone.js audio playback * Self-hosted fonts and bundled web assets * Works without an account BY NATHANIEL SCHOOL OF MUSIC Built for practical harmony learning, composition practice, and deeper chord fluency.

Counterpoint Dojo is a learning app for studying the relationship between independent melodic lines through explanations, playable scores, and writing exercises. FEATURES - Introductory lessons and the five species of Fux-style counterpoint - Additional lessons on melodic writing, suspensions, minor mode, three voices, free counterpoint, imitation, and canon - Play every teaching example and listen to the voices together - Write notes into guided exercises and check the specified conditions - Save completed attempts and replay them later - Review rule violations in the five-species exercises VERSION 1.1 - Added seven advanced lessons with newly created teaching examples - Added twelve guided writing exercises - Added attempt history for reviewing past work PLEASE NOTE The app interface and lesson text are currently in Japanese. Exercise evaluation checks the stated conditions and rules; it does not judge the artistic quality of a composition.