Interactive Demo
The Minor Scale Transformer
The Minor Scale Transformer is a free, interactive learning demo from the AP Music Theory course on Lykke. It helps you build intuition for Natural, Harmonic, and Melodic Minor, Relative and Parallel Keys, Melodic Intervals and Motion, Timbre and Instrumentation. Play with it directly in your browser — it features 1 toggle and 1 button. This demo lives in the “Unit 2: Music Fundamentals II: Minor Scales and Key Signatures, Melody, Timbre, and Texture” section of the course.

How to use this demo
- Use the “Play Scale Sequence” button to trigger actions or reset the demo.
- Toggle the checkboxes to show or hide layers and compare cases.
- Experiment freely — there's nothing to break, and every change is reversible.
What you'll explore
- Natural, Harmonic, and Melodic Minor
- Relative and Parallel Keys
- Melodic Intervals and Motion
- Timbre and Instrumentation
- Musical Texture (Monophony, Homophony, Polyphony)
Frequently asked questions
What does the The Minor Scale Transformer demo do?
Building on the first unit, this section introduces the minor scale system and explores the qualitative aspects of music, including how melodies are constructed and how different sounds interact. The Minor Scale Transformer turns that idea into something you can manipulate directly and watch respond.
What AP Music Theory concept does The Minor Scale Transformer teach?
Building on the first unit, this section introduces the minor scale system and explores the qualitative aspects of music, including how melodies are constructed and how different sounds interact. It focuses on Natural, Harmonic, and Melodic Minor, Relative and Parallel Keys, Melodic Intervals and Motion, Timbre and Instrumentation, Musical Texture (Monophony, Homophony, Polyphony) from the “Unit 2: Music Fundamentals II: Minor Scales and Key Signatures, Melody, Timbre, and Texture” section.
What can I control in The Minor Scale Transformer?
Toggles show or hide layers so you can compare cases; the “Play Scale Sequence” button run actions or reset the demo. Every change updates the visualization in real time, so you can see exactly how each variable affects the outcome.
How does The Minor Scale Transformer fit into the AP Music Theory course?
AP Music Theory is an introductory college-level course that develops students' understanding of music through the analysis of performed and notated works. The curriculum integrates written theory with aural skills, cov… This demo is the interactive piece for the “Unit 2: Music Fundamentals II: Minor Scales and Key Signatures, Melody, Timbre, and Texture” section. Open the full AP Music Theory course wiki at https://www.getlykke.com/explore/public/ap-music-theory-64526a5a-2b9d-4c74-956a-c2957679aa84 for notes, flashcards, quizzes and the other demos.
What will I understand better after using The Minor Scale Transformer?
You'll build intuition for Natural, Harmonic, and Melodic Minor, Relative and Parallel Keys, Melodic Intervals and Motion, Timbre and Instrumentation, Musical Texture (Monophony, Homophony, Polyphony) — and, crucially, see how they behave when you change the inputs, which is hard to get from a textbook or lecture on AP Music Theory alone.
From the AP Music Theory course
This interactive demo is part of the Unit 2: Music Fundamentals II: Minor Scales and Key Signatures, Melody, Timbre, and Texture section. Explore the full AP Music Theory course wiki on Lykke — with notes, flashcards, quizzes and more interactive demos.
Open the AP Music Theory course →