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The One That Got Away by Katy Perry

The One That Got Away by Katy Perry runs at 136 BPM in the key of E major. The prompt below describes those musical characteristics without naming the record.

Measured

Tempo
136 BPM
Key
E major
Length
4:50
Genre
synth-pop
Mood
restless
Vocals
Vocal

A person reviewed this analysis against the linked source, including its identity, tempo, key, genre, instrumentation, vocal status, and prompt fidelity.

Analysis and source

Source recording
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Editorial review
August 23, 2026

Method: Tempo and key use acoustic measurement; descriptor claims use the commercially cleared classifier recorded with this analysis.

Genre, key, and instrumentation are analytical judgments, not artist-supplied credits.

The prompt

A restless synth-pop track with high energy and a broken-beat feel at 136 BPM. The low end is electric bass playing root-note anchored, under an acoustic drum kit with a clap-layered snare and washy crash-led cymbals. Clean electric guitar carries the harmony, fingerpicked. The arrangement follows AABA. A full-voiced female vocal delivers a layered in close harmony performance. Subtle bitcrush adds texture, with a slapback delay on the vocal. Mixed in a lo-fi and saturated style, foregrounding vocal clarity and low-end weight, built on chromatic and shifting chords, leaving a calm and settled atmosphere.

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What the analysis found

Bass instrument
electric bass
Bassline style
root-note anchored
Tempo
136
Chords
chromatic and shifting
Cymbals
washy crash-led cymbals
Energy
high
Atmosphere
calm and settled
Genre
synth-pop
Harmonic instrument
clean electric guitar
Harmonic style
fingerpicked
Mixing style
lo-fi and saturated
Mood
restless
Percussion
an acoustic drum kit
Rhythmic style
broken-beat
Snare
clap-layered
Sonic focus
vocal clarity
Secondary focus
low-end weight
Space
a slapback delay
Structure
AABA
Textural detail
subtle bitcrush
Vocal style
layered in close harmony
Vocal
a full-voiced female vocal

About this page

This is an independent acoustic analysis. Tempo and key are measured from the audio; instrumentation and production characteristics are classified against a fixed vocabulary. The source recording is deleted once the analysis finishes, and no lyrics from it are stored. A person checked every published claim category against the source before this page entered the public index.

Planetary Records is not affiliated with Katy Perry. The prompt describes musical characteristics and does not reproduce the recording.

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