Agent

Talk to your set.

Chorus works in chats beside Live or Logic. Ask for a part, a fix or a whole song; it reads what it needs and proposes the change for you to review.

Add ghost notes on the snare and swing the offbeat hats, bars 1–4
◇Read Drums › Beat57 notes
◇Read Drum Rack5 pads
✎Edited Drums › Beat+11 −1 ~15

Added ghost snares on the last 16th of beats 2 and 4, pushed every offbeat hat a 64th late and a little softer, and a pickup kick into bar 4. Kick and clap are untouched.

1 clip changed Review
Drums › Beat+11 −1 ~15
Send follow-up
Drums › Beat↑
ChangesSessionMixerBeat
Drums›Beat4 bars
+11−1~15Proposed by ChorusRejectApply to Live
1234
Hihat Open
Hihat Closed
Clap
Snare
Kick 808
Velocity
Hear the diff
Drums · bars 1–4 · 112 BPM
Modes

Agent, Plan or Ask. Agent makes changes. Plan designs the change first and waits for you to build it. Ask only answers, so you can talk through a mix without anything moving.

Cycle modes with ⌘.

Agent · makes changes
Write a bassline for the Drop scene that locks with the kick
◇Read Drums › Beat57 notes
◇Read Keys › ChordsAm – F – C – G

Roots on the downbeats with the kick, an octave jump into each chord change, and nothing on the clap so it breathes.

1 clip changed Review
Bass › Drop Bass+22
Context

It reads before it writes. Tracks, clips, notes, devices and sends, devices inside racks, your Drum Rack's pad names, and which part of each clip actually plays. Every read shows as a step you can open.

Chorus
Chorus reading a drum clip and proposing a groove, with the diff on the piano roll
Chats

A chat per idea. Chats live with the set they're about and survive a restart. Restore any earlier message to roll pending changes back to that point.

⌘N new chat · ⌘L focus chat · ⌘K edit the open clip

Chorus
A new Chorus chat with the composer ready

What the agent can do

Write and edit MIDI

New parts, variations, fills, velocity passes. Notes it didn't mean to change keep their exact timing.

Mix and devices

Volumes, pans, sends, returns, master, and any device or plug-in parameter, inside Live's racks too.

Build arrangements

Place scenes and clips into the arrangement, add locators, insert or remove bars, clear ranges.

Tighten audio

Live's audio Quantize and warp settings, or Logic's region Quantize and Flex; transpose and gain in both.

Ask clarifying questions

When a request could go two ways, it asks with answers you can click.

Work to your rules

A producer profile and per-set rules it follows every turn, like "keep the kick pattern".

Voice input

Press ⌘⇧Space and talk; press it again and Chorus transcribes what you said into the composer.

Spend you control

Per-turn and daily caps on AI spend, with each turn's cost shown.

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Try Chorus on your next session.

Free to download for macOS, for Ableton Live 12, Logic Pro 12 and FL Studio. Bring your own Anthropic key.