MusicKit Search the Apple Music catalog, manage playback with , check subscriptions, and publish Now Playing metadata via and . Targets Swift 6.3 / iOS 26+. Contents - Setup - Authorization - Catalog Search - Subscription Checks - Playback with ApplicationMusicPlayer - Queue Management - Now Playing Info - Remote Command Center - Common Mistakes - Review Checklist - References Setup Project Configuration 1. Enable the MusicKit App Service for the app's explicit bundle ID in the Apple Developer portal so MusicKit can generate developer tokens automatically. 2. Add to Info.plist explaining why…