This is going to be a short post – but nonetheless, an interesting one.
For those that already know this chord progression, feel free to skip this, but here is something new I learned from a while ago.
In a lot of jazz, Broadway, and some rock/pop music, we have the classic ii – V7 – I progression. It is a simple way to set-up a return back to the tonic.
Now, imagine the tonic as the house and we walked the usual path to the front door with the ii – V7. Sounds, good, but what if we wanted a little surprise that still reaches the same destination? We use the backdoor progression:
iv – bVII7 – I
This is constructed in the same way as the ii – V7 – I, as you can see by shared common tones and interval distances.
Try it out and see how you think of it. Maybe it can work well in one of your next compositions.
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