In A♭ major, the vi–IV–I–V progression is Fm – D♭ – A♭ – E♭. The same four chords started on vi, so the loop feels emotional and searching. A favourite for ballads and dance pop.
The library above is set to vi–IV–I–V in A♭ major. Press Play to hear it with strummed guitar, bass and drums in a pop groove, tap any chord to hear it on its own, or pick another key or a capo.