Blurryface is the name of Twenty One Pilots' fourth studio album and the dark alter-ego persona Tyler Joseph adopted for that era, a period that turned the band into a global arena act. Vocal warmup clips from this time circulate mainly among fans, who share them as short, intimate glimpses of Joseph preparing to perform rather than as polished songs. Their appeal has lasted because they capture the human side of a high-concept era, giving editors a recognisable sound that signals a live show, a fan tribute, or a moment of quiet focus before the noise begins.