Phrases and bars

Most dance music is built from blocks of the same size, stacked end to end: four beats make a bar, and bars group into phrases, usually 8, 16 or 32 bars long. Once you can hear the blocks, you can tell when a track is about to change, and you can line two tracks up so their changes land together. That's most of what people mean when they say a mix sounds planned.

Beats, bars and phrases

A beat is one pulse. In most dance music, one kick.
A bar is four beats. Count one, two, three, four.
A phrase is a group of bars, usually 8, 16 or 32. At the start of a phrase something changes: a new sound comes in, the bassline drops out, a breakdown starts or ends.

At 125 BPM a bar lasts just under two seconds, so a 16-bar phrase is about half a minute and a 32-bar phrase about a minute.

How to count them

Start from something you're sure of: the first kick, a drop, or the kick coming back after a breakdown. Count bars from there, keeping the bar count on your fingers if you have to. Big changes usually come every 16 or 32 bars, and smaller ones, like a hi-hat coming in, often every 8. Tracks also warn you a phrase is ending: a fill, a snare roll, a riser, or the drums dropping out for a beat. After a while you'll feel it coming.

Mixing on the phrase

The basic move is to start the next record at the top of a phrase, at the moment a phrase starts in the record that's playing. Then the changes in both tracks fall together.

Intro over outro. Many dance tracks open and close with 16 or 32 bars that are mostly drums. Lay the next record's intro over the current one's outro, and the blend has room to breathe.
Drop on the drop. Time the next record so its first drop lands as the current one's breakdown ends.
Swap in a breakdown. Bring the new record in while the current one has space, then let its drop take over.

When a track breaks the pattern

Not every track counts evenly. Some intros run 15 bars, a vocal can add a bar, and some producers drop in an odd bar on purpose. When the phrases stop lining up, wait for the next clear change and line up there, or set a loop on the incoming record to hold it until the phrase comes around. A loop counted in beats makes that quick: 16 beats is four bars, 32 is eight.

Phrases in Mix//Sync

On the big waveform across the top, every bar has a brighter line and every fourth bar a red tick. The space from one red tick to the next is four bars, so a 16-bar phrase runs across four of them. Four small dots on the mixer light up with the beat of the bar. The loop control counts in beats, from a quarter of a beat to 128. Sync lines up beats, not bars, so the phrase is yours to choose, and a hot cue on the first beat of a phrase is a quick way back to it.

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