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See Your Rhythm, Sync Your Ensemble: The Two Patent-Pending Ideas Behind METRO X

METRO X is built around two patent-pending ideas: a floating Orb visual beat that sits on top of your sheet music, and real-time multi-device SYNC for entire ensembles. Here's what each one is and why they matter.

April 25, 2026 · 7 min read

METRO X is built around two ideas that, until now, only existed in professional orchestras and recording studios. Both of them are patent pending. Both of them solve real problems that musicians have been working around for decades. Together they're what the product is really about — see your rhythm, sync your ensemble. Here's what each one actually means.

The two ideas, in one sentence each

See your rhythm. A floating Orb beat visualizer that sits directly on top of your sheet music, so the beat lives in the same field of view as the notes you're reading. Patent pending.
Sync your ensemble. Real-time, multi-device tempo and downbeat sync, so every iPhone or iPad in a rehearsal locks to the same beat without cables, in-ear clicks, or external hardware. Patent pending.

Each one replaces a piece of professional gear that used to require a budget and a technician. Combined, they make pro-grade ensemble timing free and pocket-sized.

1. See your rhythm — the floating Orb

Pro orchestras, opera houses, and film scoring stages have used small silent visual beat devices for decades. Each player gets a red light pulsing on their stand on every beat the conductor gives. It works because audio click bleeds into microphones, drowns under loud passages, and can't always be heard from the back of a section. A silent visual cue does the job audio can't. We wrote a whole post on those devices and how they work.

The catch is that even the pro version has a limitation. The visual beat device sits on the stand next to the music, not on the music itself. You still glance away, even if it's just a few centimeters and a few degrees of eye movement. Multiplied across an entire piece, that's a lot of attention leaving the score.

The patent-pending floating Orb in METRO X solves this by putting the visual beat on top of the sheet music. The Orb pulses inside the same field of view you're already reading. Your peripheral vision picks up every beat without your focus ever leaving the notes. It can show the downbeat, every beat, or every subdivision depending on how fine a grid you want, and it follows your time signature automatically.

This is a small idea that has an outsized effect on practice. Most timing problems in amateur playing aren't because the player can't feel the beat — it's because they have to choose between watching the metronome and watching the music, and end up doing both badly. The Orb removes the choice.

Why it matters for different kinds of musicians

Students. Sight-reading improves dramatically when the beat is in your line of sight. Eyes stay on the score, mind stays on the notes.
Sight-readers and gigging players. A glanceable visual beat on the same page as a chart you've never seen before is the difference between making the cut and not.
Live performers. Silent visual beat means no audio click bleeding into mics or in-ears. The Orb does the same job a pro click light would, on a device already on your stand.

2. Sync your ensemble — multi-device real-time SYNC

The other patent-pending idea answers a different professional problem: how do you keep a whole ensemble locked to the same beat without expensive hardware?

The pro solution has been wired click track distribution for as long as there have been recording studios. One master metronome runs into a headphone amp, every player wears in-ears, every in-ear gets the same click. It works perfectly. It also requires cables, an amp, in-ears for every player, and someone who knows how to set it all up. None of that is realistic for a community band, a string quartet rehearsing in someone's living room, or a teacher running a group lesson.

METRO X SYNC turns any iPhone or iPad in the room into the master clock. One person creates a SYNC room. Everyone else joins with a tap. From that moment, every device follows the same tempo, the same downbeat, and the same beat number with sub-millisecond alignment. If the host changes tempo mid-piece, every other device follows in real time.

No cables. No external hardware. No audio engineer. Every player already owns the device. That's the patent-pending part — getting ensemble-grade sync over the network connection people already have, with the timing precision pro studios get from wired distribution.

Where SYNC unlocks something new

Chamber music. A quartet without a conductor can rehearse a tricky passage with every player following the same internal click — without anyone having to count out loud.
Orchestra sectionals. A section leader can host a SYNC room and run difficult passages without clapping or shouting the beat over the playing.
Group lessons. Every student locks to the teacher's tempo. The teacher controls the click for the entire room.
Remote ensembles. Members in different cities can practice the same piece at the same tempo together, then compare recordings — audio latency makes real-time playing impossible, but a shared internal click is a step closer.
Live performance. Bands that play to a click on stage can give every player the same click in their in-ears without a stage box, sub-mix, or extra hardware purchase.

Why both ideas matter together

Each one stands on its own. The Orb is a better way to practice with a metronome solo. SYNC is a better way to keep an ensemble together. The reason METRO X bundles them is that, in real rehearsal, you almost never need just one.

A string quartet rehearsing a difficult passage wants both: a shared SYNC room locking everyone to the same tempo, and the floating Orb on each player's stand so no one has to look up from the score to find the beat. A teacher running a sight-reading class wants both: every student on the same SYNC room, with the Orb pulsing on top of each student's chart. A worship band wants both: the leader sets the tempo, every player's iPad shows the Orb on the chart in front of them, no one wears in-ears.

These are exactly the workflows pro orchestras have built around wired click distribution and visual beat boxes for decades. METRO X is the first app to make both of them free, wireless, and available to anyone with an iPhone.

Pocket-sized professional infrastructure

Visual beat displays in pro orchestras solve a real problem. Wired click distribution in pro studios solves a real problem. Both have been out of reach for the average musician forever — the gear is expensive, the setup is hostile, and you need someone who knows how to make it all talk.

See your rhythm. Sync your ensemble. Two patent-pending ideas in one free app, on the device every musician already carries. That's METRO X.