Lumn

That transforms the display bezel into a dynamic lighting effect that moves in real-time with the music, pulsating and reacting in sync with each beat. When users play songs through Apple Music or Spotify, the application automatically extracts the album art color as the primary color for the lighting effect, while simultaneously driving the animation based on the audio beat, displaying a liquid glass-style “Now Playing” card on the lock screen. Lumn Users have complete control over the lighting details, including manually selecting a color palette or enabling automatic screen content following, choosing whether the light dances with the beat or remains stationary, adjusting the distance of the halo and the thickness of the light strip, and supporting options such as dual-color gradient mode, natural compatibility with notch displays, and overriding the original album colors. The installation process is extremely simple; after downloading, simply drag it into the Applications folder and grant system audio permissions to launch it. It does not involve microphone monitoring or screen recording, updates automatically via Sparkle, and has a low resource footprint, not affecting performance or battery life. Lumn transforms the Mac screen into a vessel for emotional expression, allowing for precise adjustments from the finest bezel glow to a soft halo filling the room, creating an immersive music and visual experience.