This is the Shepard Tone. An audio illusion where the sound seems to get higher and higher continually. The top commenter on YouTube presents an interesting scenario: 'someone should make a really bad edm song that uses this as the buildup and just never drop it. imagine the reactions of every neon tank top bro if someone did that onstage at ultra or some other douchey festival and then just walked off stage with it still playing. it would actually be an interesting social experiment, what would