songs that are added to the "Locker" are stored locally, so all tracks can be played without an internet connection. the Locker itself is DRM'd (not the tracks)

songs that are added to the "Locker" are stored locally, so all tracks can be played without an internet connection. the Locker itself is DRM'd (not the tracks), so whitelisted applications (Traktor and Serato) can access the folder and play the tracks without issue.