Set-Prep Guide

How to prepare harmonic DJ sets faster without dragging tracks around for hours

Most DJs do the same repetitive prep work by hand: checking key compatibility, avoiding harsh BPM jumps, shaping the opening and closing energy, then redoing the whole process the next time the playlist changes. A better workflow keeps the decision-making in your hands and removes the mechanical sorting.

The faster workflow

🎯

Start with one focused playlist.

Do not throw your entire library at the prep step if the goal is one usable set. Build one target playlist for the room, slot, or vibe first.

📤

Export the playlist in both required Rekordbox formats.

Use the Text export and the M3U8 export from the same playlist so the prep tool sees both structure and playlist pathing.

⚙️

Choose the workflow that fits the job.

Use Split mode when you want multiple sets from one larger pool. Use Extract mode when you need one tighter, more specific set with deeper harmonic and BPM constraints.

👂

Review the generated set like a DJ, not like a spreadsheet.

Check the opening energy, where the tension ramps, where the peak lands, and whether the closing section feels intentional for your context.

What actually saves time

Not checking every transition manually.
Not reordering the full set every time one track changes.
Not guessing whether the energy arc still holds.
Not rebuilding playlist exports from scratch once you already know the right source workflow.

Before and after

Old way

Hours of manual work, every event

Check key compatibility for every track
Drag tracks to balance the energy arc
Rebuild sets from scratch after imports
90–120 min prep, every time

With Energy Set Builder
Algorithm handles the structureHarmonic flow enforced automatically
Energy arc baked in at generation time
Re-run in 3 min after any library update
Focus on taste, not sorting logistics

Where Energy Set Builder fits

Energy Set Builder is built for the mechanical part of Rekordbox set prep: split sets, extract sets, harmonic continuity, BPM flow, energy shaping, and M3U8 output you can reimport. That means you spend your time on taste, not sorting.

Try it now

Open Energy Set Builder

Start on the free plan. Upload your exports, generate a set, and import it back into Rekordbox in minutes.

Open App Export guide →