A drag-and-drop shelf and a real-audio waveform, folded into the black your Mac was already spending.
Files park there while you go find where they belong. Drag them back out to Finder, a browser, Slack. Mail attachments and images that were never files on disk are materialised on the way in.
Spotify's track sits on one side of the camera. On the other, seven bands of a real spectrum — read from the audio that is playing, not a loop pretending to be one.
Sampled with top on an M-series MacBook Pro, notch closed, nothing playing. Everything runs on events — a playback notification, a drag crossing the screen, a pointer arriving. Nothing runs on a clock.