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

# MUSIC_LIBRARY variable

> Registration symbol for the music library slot.

# MUSIC\_LIBRARY

## Summary

Registration symbol for the music library slot.

## Signature

```typescript theme={null}
MUSIC_LIBRARY: unique symbol
```

## Remarks

Pass this symbol to `NanoforgeApplication.use` with a custom music library or use it as a dependency symbol in `ILibraryOptions.dependencies`.