> ## Documentation Index
> Fetch the complete documentation index at: https://songbird.studiocollective.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# songbird-types

# songbird-types

Canonical domain types shared across the workspace.

## What it owns

* Track type taxonomy (`TrackType`: Midi, Audio, Instrument, Bus, Return, Master, Drum, Folder).
* Time-stretch mode enum and other small shared enums/constants.

## Public API

* `TrackType`, `TimeStretchMode`, plus a handful of preset/template structs and CC definitions.

## How it fits

Foundation crate — imported almost everywhere: `songbird-engine`, `songbird-clips`, `songbird-state`, `songbird-sync`, `songbird-files`, `songbird-app`, `songbird-project`, `songbird-orchestrator`, `songbird-session`. No workspace deps; serde only.

When adding a type that more than one crate needs, this is usually the right home.

## Tests

`cargo test -p songbird-types`.