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Rhodes melody, piano & acoustic guitar.
Questions about this song
Answers from our automatic transcription. Key, tempo and chord labels may contain errors.
What key is Firework by Katy Perry in?
This transcription starts in A♭ major.
What tempo is Firework?
The estimated tempo is 125 BPM, calculated from the median spacing between detected beats. This is a summary of the transcription; timing can vary during the song.
What are the main chord progressions in Firework?
Recurring four-chord sequences in this transcription include A♭ → B♭m → Fm → D♭ (22 occurrences); A♭ → G♭maj7 → Fm → D♭ (5 occurrences). These are exact chord-label matches within sections, not a complete harmonic analysis.
What are the relative chords in Firework?
Here are a few patterns to play with: I → ii → vi → IV in A♭ major; I → ♭VIImaj7 → vi → IV in A♭ major. Think of Roman numerals as chord names you can take into any key. Uppercase is major, lowercase is minor; in minor keys, we count from the natural-minor scale.
Does Firework use a well-known chord progression?
Yes! In A♭ major: The Mixolydian subtonic shuttle (I → ♭VII) shows up in the intro at 0:00 and the verse at 0:08. Two major chords a whole step apart give this back-and-forth groove a loose, rock-friendly feel.
What time signature is Firework in?
The transcription starts in 4/4.
How is Firework structured?
The detected sections are intro (0:00) → verse (0:08) → pre-chorus (0:39) → chorus (0:54) → verse (1:25) → pre-chorus (1:56) → chorus (2:12) → bridge (2:43) → chorus (2:58).
How long is this version of Firework?
The transcribed version lasts 3:47. Other recordings or edits may have a different duration.