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Counterpoint Rule Engine & Interactive Resolver

A notation software plugin (Finale, Dorico, MuseScore) that flags 4th species counterpoint violations in real-time and provides interactive resolution suggestions specific to the user's exact harmonic context. When a user hovers over a flagged note, the plugin shows which rule is violated, why, and presents 3-5 concrete alternatives that preserve voice leading intent.

PLUGIN

38 weeks • 70% confidence

Value Proposition

Eliminates forum-hunting by embedding expert rule resolution directly into the composition workspace. Handles edge cases (suspension chains, implied resolutions, cross-part interactions) that textbooks skip. Instructors save grading time; students get instant, contextual feedback instead of generic 'fix this' comments.

Target Audience

Music theory instructors assigning 4th species work; conservatory students; composition teachers grading assignments

Key Features

  • Real-time flagging of 4th species violations with rule name and explanation
  • Context-aware suggestion engine that analyzes all four parts simultaneously
  • Customizable strictness levels (strict academic vs. historical flexibility)
  • And more, with full implementation detail...

Tech Stack

Dorico SDK / Finale JAPI / MuseScore plugin API Python or C++ for rule engine Music21 library (optional, for harmonic analysis) Web backend (Node.js or Python Flask) for subscription management
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Original Problem

Music students struggle to understand and apply complex counterpoint rules in composition

Music theory students and composers working with 4th species counterpoint face confusion when resolving notes interact across multiple vocal parts, creating rule conflicts that textbooks don't adequately address. Current learning resources provide generic rules without handling edge cases, forcing students to spend hours on forums seeking clarification or abandon proper technique.

Score: 18.4% • 1 demand signal