CHROME EXTENSION · FOR BANDS THAT REHEARSE ON YOUTUBE

Take it from
the bridge.
Everyone.

Intro234 turns any YouTube song into labelled sections your whole band can jump to, loop, and count into together. Mark it once. Share one map. Stop scrubbing.

youtube.com/watch?v=your-rehearsal-song
🔊 1:02 / 3:58
Living Hope — Live at the Chapel Your Worship Channel · 2.1M views
Intro 0:00 Verse 1 0:24 Chorus 1:02 Verse 2 1:41 Bridge 2:31 Solo 3:04 LOOP ONCOUNT-IN ARMED
Intro234 on the watch page: markers on the timeline, sections under the player.

Built for a band in a room. Not headphones on a couch.

/01

Mark the song onceMARK

Play the track, tap one key at every transition. Labels fill themselves in the order songs actually go: Intro, Verse 1, Chorus, Bridge. Nudge any boundary by a tenth of a second until it sits on the downbeat.

Alt+MAlt+←Alt+→
/02

"From the chorus." Done.JUMP

Every section gets a number, printed right on its button. Press it and playback lands there instantly. No scrubbing, no "wait, where does it start", no eight people finding the spot separately.

Alt+1Alt+2Alt+3Alt+9
Alt+3CHORUS · 1:02.8
/03

Drill the hard barLOOP

Land on the section that keeps falling apart and loop it. Tight, clean repeats: run the transition ten times in a row until the band owns it, then switch it off and move on.

Alt+L
BRIDGE · LOOPING
/04

Intro, two, three, fourCOUNT-IN

The feature no looper has, and the reason for the name. Arm it, and every jump clicks the band in first: four beats at your tempo before the music starts. Nobody scrambles in half a bar late.

Alt+C
IN234
/05

One map. Whole band.SHARE

You mark the song, everyone plays from it. Copy a share code, drop it in the group chat: every musician who opens that video sees your exact sections. Same labels. Same spots. Same buttons.

ShareImport
YTSM1:eyJ2IjoiZFF3NHc5V2dYY1EiLCJicG0iOjk2LCJzIjpbWzAsIkl…
  → your whole team
/06

Lights down. Just the song.FOCUS

One key and the page goes dark: comments, sidebar, recommendations, gone. Only the video and your section buttons stay lit. On the rehearsal screen there is nothing to look at but the music.

Alt+FEsc
▶ NOW PLAYING

Every other looper was built for one person, alone, with headphones. Intro234 was built for the moment a leader says "verse two," the drummer hears four clicks, and eight people land on the one — together.

FREE · NO ACCOUNT · MAPS STAY IN YOUR BROWSER

Sunday-ready in two minutes.

From "here's the song" to "everyone has the map" before the drummer finishes setting up.

$ open youtube.com/watch?v=your-song
$ Alt+M at every transition ✓ 6 sections marked
$ share → paste in band chat ✓ code copied
$ band: import ✓ 7 musicians synced
$ Alt+3 → CHORUS · count-in · everyone's in

Questions,
answered.

Not yet. Intro234 runs on the YouTube watch page in desktop Chrome. Mobile browsers don't run extensions the same way, so for rehearsals, run it on the laptop driving your screen or PA.

No. It never downloads or copies anything. It reads the playback time of the video already open in your browser and adds section buttons around it. You stay entirely inside YouTube.

In your browser, on your machine. Nothing is uploaded anywhere. When you share a map, you copy a code and send it yourself; that's the only time it leaves your computer.

It plays through whatever your computer plays through. Route the laptop into your rehearsal system and the four-beat count comes through with the track, so the whole band hears the same lead-in.

Yes. Marking, jumping, looping, count-in, sharing and focus mode are all free. No account, no trial clock, no locked features.

Ready when
your band is.

Add to Chrome — Free
Works on YouTube in desktop Chrome. Install, open your next song, and take it from the bridge — together.