NNS Trainer (Nashville Number System, Musical Scale Degrees, Jianpu)

Choose study mode:

Number → Chord (or Note) Chord (or Note) → Number

Notation system:

CDEFGAB CDEFGAH

Keys to practice:

The NNS Trainer app is a complete tool for practicing the Nashville Number System, scale degrees, and Jianpu. It's 100% free, ad-free, and requires no login. If you enjoy using it, you can say "thank you" with a coffee ☕. Donations cover server costs, keeping it online and free! Happy studying! https://ko-fi.com/nnstrainer

Learn Jianpu (Numbered Musical Notation)

Numbered Musical Notation (Jianpu) is a great alternative to the traditional staff. It uses digits 1-7 to represent the melody. Our music trainer helps you build a mental connection between numbers and pitches, allowing for fluent sight-reading.

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Choose study mode:

Notation system:

Keys to practice:

Select scale degrees to study:

Learn Jianpu (Numbered Musical Notation)