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JC Audio Precentor™

Paste this week's setlist and get your Ableton Live session, built from your own stems.

Mac appAbleton Live 10, 11 and 12Coming soon

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JC Audio Precentor app icon
The whole JC Audio Precentor window: a three-song setlist, each song matched to its stems, the build options, and the built Live Set ready to open in Ableton Live
The whole JC Audio Precentor window, after one build

What it does

Every week the same jobs: find the stems, drag them in, change the key, put the songs in order, mark the sections. Precentor does them in one go.

JC Audio Precentor matching three songs to their stem folders: Keep It Burning in A, Still I Praise in G and a Chinese song in E, all found
Every song matched to its stems folder

Paste

This week's setlist, one song per line: title and key1 list

Precentor builds

Finds the matching folder in your stems libraryFound

Moves the backing tracks to this week's key; the parts your band plays live stay as they areKey

Puts in the section markers, from your stems' session files or ones you mark onceSections

Adds a click to songs that have noneClick

Makes the cue sheet and timecode with itCue · LTC

Makes practice tracks: each song in this week's key and arrangement, with one part taken out (drums, bass, keys, guitar or vocals) and an optional click.Practice

Precentor doesn't include or license any music. Many multitrack stores don't allow mixes made from their stems to be shared, even within your own team — share practice tracks only if you recorded the songs yourself or your license clearly allows it.

Works with

Ableton Live 10, 11 and 12Live

An interface in English, Traditional or Simplified ChineseEN · 中文

Your own stems, never changedMac

The session it builds

Three songs in one Ableton Live 12 session: each song with its own tempo and key, its sections marked, a click and a guide track on top.

An Ableton Live 12 arrangement built by Precentor: three songs with song names, section markers, click and guide tracks, then the stems
Built by Precentor, opened in Ableton Live 12

Where the name comes from

A precentor is the one who leads the singing. In the Psalms, many songs are headed “To the chief Musician”: the person who led the music of the house of worship. That is the job Precentor helps with every week.

Say it pree-SEN-ter.

A manuscript leaf from a medieval psalter, the psalms written in Latin with blue and gold initials
PrecentorMac appLatin: praecentor, the one who leads the singingLeaf from a Royal PsalterThe Met

What you need

  • A Mac (macOS 14 or later)
  • Ableton Live 10, 11 or 12
  • Your own stems: Precentor doesn't supply stems or change yours

Coming soon

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