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neirocca
Fukuoka, Japan
What it is
Neirocca is a free website for learning music theory by hearing and playing examples. Its 28 browser-based tools cover chords, melody, rhythm, analysis, and transposition, and each tool plays an example when tapped. Chord resources include a diatonic reference, chord finder, progression player, progression builder, and mood-based progression generator. Melody and ear practice includes ear training, dictation training, scale conversion, a step sequencer, and a melody note guide. Rhythm tools provide a pattern dictionary, rhythm ear training, metronome, and tap tempo. Analysis tools cover key finding, chord progression analysis, Roman numeral analysis, cadence training, and a part-writing checker. The site lists 66 articles alongside the interactive tools. Learning paths address beginners who want to compose and listeners seeking deeper understanding of music. Neirocca includes basic notation, harmony and rhythm practice, interactive exercises, and progress tracking. It runs on the web and is operated by Chathello, represented by Shoya Kihara, in Fukuoka, Japan. Google Analytics 4 cookies collect anonymous traffic data, while the policy says personally identifiable information is not collected through GA4.
For and against
For
- Free web access
- 28 interactive music tools
- Every tool plays examples
- Includes 66 learning articles
- Progress tracking available
Against
- Web platform only
- No free trial because service is free
- Services may change without notice
The verdict
Neirocca offers a broad set of interactive music-theory tools and supporting articles at no cost. Its focus on listening and playing examples makes it suitable for self-directed learners.
Who it suits
Neirocca suits beginners learning to compose and listeners who want to understand music more deeply. It also fits learners seeking browser-based ear, harmony, rhythm, and analysis exercises.
Plans and prices
Free
Interactive music theory tools and articles · free of charge
Read 7 Oct 2026 · neirocca.com
On the record
- Analysis features
- Analysis tools include key finding, chord progression analysis, Roman numeral analysis, cadence training, and a part writing checker.neirocca.com · read 7 Oct 2026
- Audience
- It offers learning paths for beginners who want to compose and for listeners who want to understand music more deeply.neirocca.com · read 7 Oct 2026
- Chord features
- Chord tools include a diatonic chord reference, chord finder, progression player, progression builder, and mood based progression generator.neirocca.com · read 7 Oct 2026
- Contact support
- The operator says it usually replies to email inquiries within a few days.neirocca.com · read 7 Oct 2026
- Ear and melody features
- Melody and ear tools include ear training, dictation training, scale conversion, a step sequencer, and a melody note guide.neirocca.com · read 7 Oct 2026
- Integrations
- The opened product pages describe browser based tools and do not state integrations with external products.neirocca.com · read 7 Oct 2026
- Learning material
- The home page lists 66 articles alongside the tools.neirocca.com · read 7 Oct 2026
- Notable limits
- The terms say the operator may change, add, or suspend services at any time without prior notice.neirocca.com · read 7 Oct 2026
- Operator
- Neirocca is built and operated by Chathello, represented by Shoya Kihara, at an address in Fukuoka, Japan.neirocca.com · read 7 Oct 2026
- Privacy and analytics
- The privacy policy says the site uses Google Analytics 4 cookies for anonymous traffic data and states that it does not collect personally identifiable information through GA4.neirocca.com · read 7 Oct 2026
- Rhythm features
- Rhythm tools include a pattern dictionary, rhythm ear training, metronome, and tap tempo.neirocca.com · read 7 Oct 2026
- Sound playback
- The site says every tool plays when tapped so users can hear music theory examples.neirocca.com · read 7 Oct 2026
- Tools
- The site lists 28 browser based tools covering chords, melody, rhythm, analysis, and transposition.neirocca.com · read 7 Oct 2026
- What it does
- Neirocca is an interactive site for learning music theory by hearing and playing examples.neirocca.com · read 7 Oct 2026
