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What an energy arc is
A great DJ set has a shape. It usually starts low, rises in steps, peaks, and then comes down gently. That shape is called the energy arc, and it is what makes a set feel like a journey instead of a random shuffle. Crowds remember sets with a clear arc, because the rise creates tension and the peak feels earned. Sets with no shape feel flat, even when every track is good on its own.
This planner lets you draw the arc before you play. You list each part of your set with an energy level from 1 to 10 and a length in minutes. The tool draws the arc as a chart, works out the average energy, finds the peak, and warns you about common shape problems: a sudden drop, a peak that comes too early, or a weak close. It is a planning sketch, not a rule book, but a sketch beats no plan at all.
How to use the planner
- Break your set into blocks, such as Warm Up, Groove, Build, Peak, and Cool Down.
- Give each block an energy level from 1 (background) to 10 (full peak).
- Give each block a length in minutes.
- Read the chart, the average, the peak position, and any warnings, then adjust the blocks until the shape looks right.
A worked example
Consider a 50-minute set: Warm Up at 3 for 8 minutes, Groove at 5 for 10 minutes, Build at 7 for 10 minutes, Peak at 9 for 12 minutes, and Cool Down at 5 for 10 minutes. The average energy is 6.2, the peak sits in the fourth block, and there are no warnings. The shape rises steadily, peaks late, and closes at a respectable level. That is a solid festival or club arc.
Now change one number: make the second block 9 instead of 5. The planner flags an early peak, because the biggest moment now arrives near the start, and everything after it feels like a letdown. Or drop the last block to 3, and the planner flags a weak close. Small number changes expose shape problems that are hard to spot in a plain track list.
Arc shapes for different gigs
- Club peak-time set: slow rise for the first third, peak in the last third, gentle close.
- Opening set: keep energy between 2 and 6, and never peak above the headliner.
- Festival set: faster rise, higher peak, shorter cool down, because the slot is short and the crowd is large.
- After-hours set: lower average, longer grooves, and a peak that is deep rather than loud.
Common mistakes
The most common mistake is rating every track a 9 or 10. If everything is a peak, nothing is, and the crowd gets tired instead of excited. Real arcs need valleys: a 5 after an 8 feels like breathing room, not boredom. The second mistake is a sudden drop of more than 3 points between blocks, which feels like the set stalled. Bridge big drops with a mid-energy block.
The third mistake is planning the arc and then ignoring it on stage. A plan is a guide, and a great crowd reaction can justify changing it. But change it on purpose, not by accident. Check the chart before the gig, know where your peak is, and you will make better live decisions when the moment comes.
How to test your arc before the gig
Do not trust the chart until you have heard the set in order. Record a practice run at home, even a rough one, and listen back with the chart beside you. Note the moments where your attention drifts: those are the valleys that are too deep or too long. Also note where you feel restless for the next track: that is usually a block that overstays its welcome. A thirty-minute practice listen will catch problems that hours of staring at a track list will miss, and it gives you a chance to swap one or two tracks before the gig.
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