Once this technology gets incorporated into DJ mixers / CDJs, this is going to make DJing much more creatively interesting.
Historically, blending between mixed stereo tracks has limited to mixing EQ bands, but now DJs will be able to layer and mix the underlying stems themselves -- like putting the vocal from one track onto an instrumental section on another (even if there were never a capella / instrumental versions released.)
It also opens up a previously unreachable world for amateur remixing in general; for instance, creating surround sound mixes from stereo or even mono recordings for playback in 3D audio environments like Envelop (https://envelop.us) [disclaimer: I am one of the co-founders of Envelop]
Historically, blending between mixed stereo tracks has limited to mixing EQ bands, but now DJs will be able to layer and mix the underlying stems themselves -- like putting the vocal from one track onto an instrumental section on another (even if there were never a capella / instrumental versions released.)
It also opens up a previously unreachable world for amateur remixing in general; for instance, creating surround sound mixes from stereo or even mono recordings for playback in 3D audio environments like Envelop (https://envelop.us) [disclaimer: I am one of the co-founders of Envelop]