ヒロイン by back number
ヒロイン by back number runs at 76 BPM in the key of G major. The prompt below describes those musical characteristics without naming the record.
Analysis facts
- Tempo
- 76 BPM
- Key
- G major
- Length
- 4:34
- Genre
- pop
- Mood
- emotional
- Vocals
- Vocal
An AI reviewer checked this analysis against the linked sources. Tempo, key, and descriptive claims remain analytical estimates and may contain errors.
Tempo is a software estimate. A second rhythm analysis returned 156 BPM; the analyses disagree. Use the estimate cautiously.
Key is a software estimate from harmonic pitch analysis, without recording-specific score verification.
Analysis and source
- Source recording
- Open the canonical recording source
- AI review
- October 7, 2026
Method: MOSS Music describes the recording; Beat This estimates tempo, and chroma analysis estimates musical key.
Genre, key, and instrumentation are analytical judgments, not artist-supplied credits.
The prompt
Expressive singing leads a pop arrangement with guitar and piano. A steady rhythm supports the vocal melody, while the piano adds warmth and the guitar supplies instrumental texture. The performance centers on the voice and accompaniment, giving the recording an emotional character with a measured, flowing pulse.
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What the analysis found
- Tempo
- 76
- Genre
- pop
- Mood
- emotional
- Vocal Status
- vocal
About this page
This is an independent acoustic analysis. MOSS Music describes the recording; Beat This estimates tempo, and chroma analysis estimates musical key. The source recording is deleted once the analysis finishes. This page does not reproduce its lyrics. An AI reviewer checked this analysis against the linked sources. Tempo, key, and descriptive claims remain analytical estimates and may contain errors.
Planetary Records is not affiliated with back number. The prompt describes musical characteristics and does not reproduce the recording.