[DISCUSSION/UPDATE] Theories Behind EXO 'The Power Of Music: RF_05'

UPDATED 170831 - New Teaser -Scroll Down- This is a thread for all the theories surrounding EXO's Parallel Universe teaser. Things can get lost in twitter, so this is a place to keep them all together so we won't lose them. First of all, let's thank Mr. Oh Sehun for doing an amazing job of SPOILING this for us. I'm pretty sure i…