What is "blurryface"

Blurryface (stylized as BLURRYFΛCE) is the fourth album released by the American musical duo Twenty One Pilots. It is the band's second studio album released through Fueled by Ramen. Originally set to be released on May 19, 2015, it was released two days early by the band on May 17, via iTunes. The album was preceded by its lead single, " Fairly Local", released on March 17, 2015. As of August, 2016, the album has sold over 1,580,000 copies worldwide. It contains the Billboard Hot 100 top-five single " Stressed Out", which reached number two in February 2016.