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PRINCIPIANTE

I-bVII-IV (Mixolydian Rock)

Why does Sweet Child O'Mine sound so rebellious? There's a 'borrowed' chord behind it

I-bVII-IV uses the bVII borrowed from the minor mode — a chord that 'shouldn't be there' but gives an attitude classic pop doesn't have. Arena Rock, Brit Pop, Lorde, Guns N'Roses.

IbVIIIVI
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Complete guide

Level: Intermediate Styles: Pop

🎵 The "Rebel" Chord (bVII)

In the C major scale (C-D-E-F-G-A-B), the seventh degree is B, and its chord is diminished (Bdim). It sounds very tense!

Rock fixes this by "borrowing" the seventh degree from the minor scale: Bb. This gives us a Bb major chord, which sounds powerful, surprising, and full of attitude.

This technique is called Modal Interchange.

🎹 In C Major

  1. C (I)
  2. Bb (bVII) - The surprise!
  3. F (IV)
  4. C (I)

🎹 In E Major (guitar-friendly key)

  1. E (I)
  2. D (bVII) - D natural
  3. A (IV)
  4. E (I)

It is a favorite progression of bands like AC/DC, Guns N' Roses, and The Rolling Stones.