Welcome to JolyNeck MusicTheoryApi

Your comprehensive music theory API, available in multiple languages to help you learn, analyze, and create with ease.

Explore Features

Key Features

Scales and Chords Analysis

Explore an extensive database of musical scales and chords including classical, jazz, ethnic scales, and more. Learn scale structures, visualize intervals, and automatically generate notes for your compositions.

Musical Intervals and Progressions

Deepen your understanding of note relationships with advanced interval management. Create and analyze complex harmonic progressions compatible with various tuning systems.

Multilingual and Accessible API

Use the API in your preferred language: French, English, or Spanish. Clear documentation makes integration in your projects straightforward.

MIDI and Synthesizer Compatibility

Control MIDI synthesizers, generate sounds with Tone.js, and easily integrate the API into your real-time musical applications.

Why Choose JolyNeck?

  • Rich, regularly updated musical database.
  • Clear pedagogical approach suitable for musicians of all levels.
  • Practical usage examples and integration guides.
  • Active support and community to assist you.