In some areas of the world, this method seems to have persisted longer. Sahel Sounds released two compilations "Music from Saharan Cellphones" of tracks that th

In some areas of the world, this method seems to have persisted longer. Sahel Sounds released two compilations "Music from Saharan Cellphones" of tracks that they originally discovered on such bluetooth sharing networks: https://sahelsoundscompilations.bandcamp.com/album/music-from-saharan-cellphones https://sahelsoundscompilations.bandcamp.com/album/music-fro... (Though I'm pretty sure that they then went back and established traditional contractual relationships with the artists before releasing the compilations).