# MusicLibrary An object your app uses to access the user’s music library. ``` class MusicLibrary ``` ## Topics ### Instance Methods [`func add(MusicItemType) async throws`](/documentation/MusicKit/MusicLibrary/add(_:)) Adds an item to the user’s music library. [`func add(MusicItemType, to: Playlist) async throws -> Playlist`](/documentation/MusicKit/MusicLibrary/add(_:to:)) Adds an item to the end of an existing playlist. [`func createPlaylist(name: String, description: String?, authorDisplayName: String?) async throws -> Playlist`](/documentation/MusicKit/MusicLibrary/createPlaylist(name:description:authorDisplayName:)) Creates a playlist in the user’s music library. [`func createPlaylist(name: String, description: String?, authorDisplayName: String?, items: S) async throws -> Playlist`](/documentation/MusicKit/MusicLibrary/createPlaylist(name:description:authorDisplayName:items:)) Creates a playlist in the user’s music library. [`func edit(Playlist, name: String?, description: String?, authorDisplayName: String?) async throws -> Playlist`](/documentation/MusicKit/MusicLibrary/edit(_:name:description:authorDisplayName:)) Edits a playlist that your app has created. [`func edit(Playlist, name: String?, description: String?, authorDisplayName: String?, items: S) async throws -> Playlist`](/documentation/MusicKit/MusicLibrary/edit(_:name:description:authorDisplayName:items:)) Edits a playlist that your app has created including items to rebuild the list of entries. ### Type Properties [`static let shared: MusicLibrary`](/documentation/MusicKit/MusicLibrary/shared) A shared object that allows your app to modify the user’s music library. ### Enumerations [`enum Error`](/documentation/MusicKit/MusicLibrary/Error) An error that the music library can throw upon accessing, manipulating, or requesting data from the user’s music library. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)