Justin Bieber

What key is Boyfriend in?

Boyfriend by Justin Bieber is in Bb minor at about 97 BPM.

Key: Bb minor
Relative key: Db major
Tempo: 97 BPM187 of 190 analyses agree
Confidence: High188 of 190 analyses agree

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Also in Bb minor

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Key and tempo come from 190 audio analyses of this recording in AcousticBrainz, matched to MusicBrainz (both CC0). Checked against keys music scholars worked out by hand for 370 well-known songs (the McGill Billboard set and the Temperley–de Clercq rock corpus), the analysed key matched 7 times in 10; the most common miss was a key a 5th away. Not sure? Check your own copy with the free BPM and key finder.