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To play Apple Music songs and show them on the Lock Screen, use ApplicationMusicPlayer for queue-based playback and register MPRemoteCommandCenter with MPNowPlayingInfoCenter to publish Now Playing metadata for iOS controls.

Check Apple Music subscription status by using MusicSubscription to gate playback and MusicAuthorization to request user access. This ensures your iOS app correctly verifies subscription-aware playback eligibility before playing content.

Search the Apple Music catalog using MusicKit APIs to retrieve playable content, then play the returned items by inserting them into the ApplicationMusicPlayer queue for immediate playback within your iOS app.

Yes, using ApplicationMusicPlayer requires MusicKit entitlements and an NSAppleMusicUsageDescription entry in your Info.plist to handle authorization requests and enable Apple Music subscription flows correctly.

Handle AirPods and CarPlay remote commands by registering MPRemoteCommandCenter handlers in your iOS app. This connects external playback actions to your ApplicationMusicPlayer queue and updates MPNowPlayingInfoCenter metadata accordingly.

Now Playing info fails to update on the iOS Lock Screen if MPNowPlayingInfoCenter properties are not refreshed after queue changes or if MPRemoteCommandCenter handlers are not properly registered to sync with ApplicationMusicPlayer state.