The "Pop" Progression
Four chords, one loop, hundreds of songs. The I-V-vi-IV progression is so common it's practically a genre unto itself.
What is the I-V-vi-IV progression?
Using Roman numeral analysis, this progression is built from the 1st, 5th, 6th, and 4th degrees of a major key. In C major: C (I), G (V), Am (vi), F (IV). Loop those four chords, and you've got the backbone of an enormous share of modern pop music.
Why it's so catchy — and so common
This loop touches every chord function, and its vi chord acts as a tonic substitute — a second "home-ish" resting point partway through the cycle. That gives the progression a satisfying push-and-pull that feels natural to repeat over and over, which is exactly what a pop song's verse-chorus structure needs.
Common questions
What is the I-V-vi-IV progression?
A four-chord progression on the 1st, 5th, 6th, and 4th degrees of a major key — C, G, Am, F in C major.
Why is it nicknamed the "pop" progression?
It shows up in a huge number of popular songs across decades and genres, making its sound instantly familiar.
Why does I-V-vi-IV sound so satisfying?
It touches all three chord functions and uses vi as a tonic substitute, giving a second landing spot partway through the loop.
Can I start the same four chords on a different chord?
Yes — reordered as vi-IV-I-V or similar, it's still recognized as the same underlying progression, just entered at a different point.
Loop the pop progression in any key
Melody Monkey visualizes chord progressions on a live guitar, bass, ukulele, or piano.
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