What was the lead single on the album that included a song that peaked at number five on the US "Billboard" Hot 100 and was released on YouTube on May 12, 2015?
Ride (Twenty One Pilots song):  The song peaked at number five on the US "Billboard" Hot 100. Blurryface:  The album was preceded by its lead single, "Fairly Local", released on March 17, 2015.
Fairly Local