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Questions about this song
Answers from our automatic transcription. Key, tempo and chord labels may contain errors.
What key is Boyfriend by Justin Bieber in?
This transcription starts in B♭ minor.
What tempo is Boyfriend?
The estimated tempo is 97 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 Boyfriend?
Recurring four-chord sequences in this transcription include B♭m → E♭m → A♭ → D♭ (18 occurrences); B♭m → E♭m → Fm → A♭ (2 occurrences). These are exact chord-label matches within sections, not a complete harmonic analysis.
What are the relative chords in Boyfriend?
Recurring relative progressions include i → iv → VII → III in B♭ minor; i → iv → v → VII in B♭ minor. Numerals refer to the key active at that point; uppercase means major and lowercase means minor. Minor keys use natural-minor scale degrees.
Does Boyfriend use a well-known chord progression?
No repeated match to the familiar patterns checked was found in this transcription. That does not mean the progression is unique or uncommon.
What time signature is Boyfriend in?
The transcription starts in 4/4.
How is Boyfriend structured?
The detected sections are intro (0:00) → verse (0:09) → pre-chorus (0:29) → chorus (0:39) → verse (0:58) → chorus (1:28) → bridge (1:48) → chorus (2:08).
How long is this version of Boyfriend?
The transcribed version lasts 2:51. Other recordings or edits may have a different duration.