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In page Bad (Michael Jackson song):

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The song is written in the key of A minor with a time signature in common time.[1] The pitch is raised almost a quarter of a whole tone from standard pitch, A440 Hz, up to cirka A454 Hz. Jackson's vocal range spans from G3 to C6.[1] The track has a tempo of 114 beats per minute.[1] The main bassline is based in the pentatonic blues scale.