ヒロイン by back number
ヒロイン by back number was analysed to produce the descriptor-only prompt below.
Measured
- Length
- 4:34
An AI reviewer checked this analysis against the linked sources. Tempo, key, and descriptive claims remain analytical estimates and may contain errors.
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.
Paste this into any style field. It describes the sound only — adjust anything that does not match what you are after.
Generate this direction
Our music workbench opens with this style already filled in. Change anything, add lyrics, then generate a track.
Open this prompt in the workbenchTracks start at $0.30, paid from a prepaid balance. The smallest top-up is $5.
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.