All progressions

I V vi IV in Bb: Bb, F, Gm, Eb

Their roots are the first, fifth, sixth and fourth notes of the Bb major scale. Bb, F and Eb are major chords and Gm is a minor chord.

1. Bb

   I

   Bb D F

   Open in Keyriff

2. F

   V

   F A C

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3. Gm

   vi

   G Bb D

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4. Eb

   IV

   Eb G Bb

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I V vi IV in other keys

• C
• Db
• D
• Eb
• E
• F
• F#
• G
• Ab
• A
• B