ARCBEAT

Music that's intentional, not just there.

Arcbeat is a planning tool for yoga teachers. Pick one track and one flow. See where the music breaks and where it comes back. Build the sequence to land on it, before anyone is on a mat. So the class becomes an experience, not a workout with a soundtrack.

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The arc of a class

a build-upanothervoice onlyclose warm upbuildcardio flowrecovercorepeaklandstretchsavasana
A real hour of vinyasa, measured from a recording. Two peaks: the cardio flow and the peak pose. Most playlists sit at the same level through both. Arcbeat works one build-up at a time, a few minutes of music with the flow built on it. You make one, then another, and the silences are planned too.

One build-up

ArriveWarrior II · holdRound 1Round 2RecoverRiseLast roundRest the drop1:02risethe landing3:01the groove comes in 0:36 quiet enough to talk over 0:001:002:003:003:51 2 rounds to the landingARRIVE · THE BED IS QUIET
A real track, sped up. The teacher's flow is in chalk along the top, the music in ember. Arcbeat found the drop at 1:02, where the beat comes back and the first round starts; the quiet break to recover in; and the landing at 3:01 where the last round begins. The rounds are elastic: run one more or one fewer and the landings stay where they are.

The experience

Anyone who practises can tell within ten minutes whether a class will be an experience or a workout with a soundtrack.

In the good ones, the music, the sequence and the cueing are locked together. The peak pose arrives when the music breaks. The cue lands on the phrase change. The refrain comes back and the room goes up with it. You leave feeling different.

In most classes the music is background. It plays. The class happens. The two never meet. Something gentle to open, something gentle for savasana, and one flat middle in between: good music, playing continuously, going nowhere. The music sits at the same level during the hardest pose of the class as it did during cat-cow.

An okay class

A good stretch. You check the clock somewhere in the middle. You leave loose, and forget it by lunch.

An experience

You lose track of time. The hard pose arrives and something carries you into it. You are still thinking about it that evening.

Both had the same poses. The difference was when things landed. When the breath, the cue and the music arrive together, the room stops deciding and starts moving as one; that is the flow state, and repetition is what produces it. The wheel on every return of the refrain. The last round of the vinyasa starting exactly where the track lands. Effort that is carried rather than pushed.

Students don't come back for a sequence. They come back for how a room felt, and they follow the teacher who can do it twice. Arcbeat exists so that a teacher can do it on purpose, and teach it.

Who it's for

Teachers who already plan the sequence, and want the music to know about it.

The flow teacher

You teach vinyasa, power or cardio flow to a playlist you chose with care. Track changes land near section changes. But where each track breaks, nobody placed that. Sometimes one ends inside the peak pose.

The one who lands the wheel

You already have a track whose refrain keeps coming back, and you push up on every return. You do it by ear, after many playthroughs. Arcbeat finds every return and shows the room what you hear.

The trainee

Two hundred hours covers anatomy, alignment, safety. Some covers cueing. Almost none covers the arc. Arcbeat makes the structure visible, so the skill can be learned rather than absorbed over years.

What it does

One build-up: one track, one flow, three to eight minutes.

Not the whole hour. A teacher picks a track, builds the sequence against it, practises it, teaches it. If it works, she makes another. Build-ups accumulate into a class when and if she wants that.

How you'd use it

Twenty minutes the night before, then close it.

Start from a track. You have the music.

The track you always wanted to teach to, or the one you already use for the wheel. Arcbeat listens to it and shows what it does: the drop, every return of the refrain, the quiet stretches you can talk over. Then it builds the flow to land on them, and you adjust.

Start from the flow. You have the sequence.

Three wheel pushes of five breaths, with a reset between. Arcbeat finds the track in your library whose returns fall where the pushes are, or generates one to fit, section by section, with a rise into every push.

See what the track does

Where it breaks, where it comes back, how long you have to get there, where a full cue fits without shouting over a beat.

Build the flow to land on it

Rounds fill the stretches, a hold lands on every return, the last round starts where the music lands. Change the track and the flow follows.

Practise it once, then teach it

Press play and watch it land. Then close the app. Nothing runs on the mat; if the room needs one more round, take it. The drop is still there.

Why

Prepared, not performed.

You already shaped the class. You already chose the playlist. The only question is whether you chose where things fall, or shuffle did. Unexamined structure isn't more mindful. It's unexamined.

The app closes before class starts. No timer, no live view, nothing on the mat. Pause the music, run twenty minutes long, throw the plan out. None of it breaks anything, because the plan was never the thing you were teaching. Deciding in advance is what lets you stop deciding.

And silence is placed, not absent. Cut the track and your voice is the only thing in the room; when the music returns it lands twice as hard for having been gone.

Being built now, with teachers.

Join the waiting list and you'll get one email when it's ready to try, and maybe one before that asking what you'd want it to do. No newsletter.

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