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# LibraryAlbumSortProperties

Album properties your app uses to sort results for a library request.

```
protocol LibraryAlbumSortProperties
```

## Topics

### Instance Properties

[`var artistName: String`](/documentation/MusicKit/LibraryAlbumSortProperties/artistName)

The artist’s name.

[`var lastPlayedDate: Date?`](/documentation/MusicKit/LibraryAlbumSortProperties/lastPlayedDate)

The date when the user last played the album on this device.

[`var libraryAddedDate: Date?`](/documentation/MusicKit/LibraryAlbumSortProperties/libraryAddedDate)

The date when the user added the album to the library.

[`var releaseDate: Date?`](/documentation/MusicKit/LibraryAlbumSortProperties/releaseDate)

The release date (or expected prerelease date) for the album.

[`var title: String`](/documentation/MusicKit/LibraryAlbumSortProperties/title)

The title of the album.

[`var trackCount: Int`](/documentation/MusicKit/LibraryAlbumSortProperties/trackCount)

The number of tracks for the album.

---

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