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Music Theory App

Sierra's music theory app
New modern, automatic tool for music theory students & teachers!
 Instantly find musical keys, chords, & characteristics
Automatically analyze compositions
Easily assess chord progressions
Explore tonal music forms
Explore post-tonal scales & music
and more
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music theory app guide
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​ Main reference: Riddle, A., & Schmidt, S. K., & Schmidt, C. S., & Spencer, K., & Safai, N. M. (2023, June), Board 190A: A New Educational Experience: Community College Engineering and Music Students Create User-Friendly Music Theory Application for Education and Composition Paper presented at 2023 ASEE Annual Conference & Exposition, Baltimore , Maryland. 10.18260/1-2--42575 
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Music Theory App

While Sierra Schmidt studied music at Salt Lake Community College, she led a project team of students to build a useful spreadsheet that she calls the Music Theory Application. This tool now automatically delivers data on many characteristics of musical keys, including chord notes, resolution direction, Roman numerals, figured bass, and lead sheet symbols. It also contains an automatic note matrix for 12-tone serialism and several music collection tables. Shown here is a figure of the poster the project team made and presented at regional and national conferences in 2023 along with other data about the project. Ms. Schmidt substantially improved the tool with more musical concepts and made the tool user friendly as part of her University of Arizona Franke Honors College Thesis. Her thesis mentor was Dr. Matthew Williams.
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NOTICE OF COPYRIGHT
This work, titled "Sierra's Music Theory Application", including but not limited to all source code, algorithms, user interface designs, graphical elements, documentation, audio files, data structures, and accompanying materials, is protected by copyright law and international treaty provisions.
SCOPE OF PROTECTION
This copyright extends to and includes:
  1. Source Code: All original TypeScript, JavaScript, TSX, CSS, SQL, and configuration files comprising the application, totaling approximately 22,000+ lines of code across 87 React components, 8 utility modules, 6 data processing modules, and 1 serverless backend function.
  2. Algorithms: Original computational methods for chord identification, voice leading analysis, Roman numeral progression analysis, serialism matrix generation, scale collection processing, and music theory rule verification.
  3. Data Compilations: The curated 18,036-entry chord database and associated chord matching algorithms.
  4. User Interface: The visual design, layout, navigation structure, and interactive elements of the application.
  5. Documentation: All accompanying instructional materials, help text, and technical documentation.
  6. Audio Files: Original audio samples and synthesized musical content.
RIGHTS RESERVED
No part of this work may be reproduced, distributed, transmitted, displayed, published, or broadcast in any form or by any means, including photocopying, recording, digital scanning, or other electronic or mechanical methods, without the prior written permission of the copyright holder, except in the case of brief quotations embodied in critical reviews and certain other noncommercial uses permitted by copyright law.
DERIVATIVE WORKS
The creation of derivative works based upon this software, including but not limited to translations, adaptations, modifications, enhancements, or compilations, is prohibited without express written authorization from the copyright holder.
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  • Home
  • Music Theory App
  • About
  • Free Online Self Lessons
  • Contact
  • Sheet Music
  • Music Education Portfolio
  • Services
  • Lesson Plans
  • Classroom Observations
  • Course Reflections