This is what I consider to be the Ultimate Post-Rock Chord Progression.
It has been used in countless of songs and for a good reason: it is very effective and addictive.
The progression is in a minor key: bVI - bVII - i - bIII
(example in C minor: Ab - Bb - Cm - Eb)
There is something in this progression that makes it addictive: the neverending tension-resolution cycle.
This is fascinating to me when a chord progression is so well crafted, you can't stop hearing it.
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