It absolutely could make “lazy” DJs better selectors, however, that is not our focus. We want to help people become better listeners and help them identify and understand the music they actually love, so they can confidently find more of it. When I started building the harmony, the changes ended up coming together pretty quickly. I jumped on my Rhodes to lay down some pretty standard F minor related changes, using the last bar of the phrase to take it a bit outside. For the harmonically curious, those turnaround changes are G♭ Maj7, D♭ Maj7, C Min7, and E Maj7(♭5).