Human is the fifth studio album by Canadian rock band Three Days Grace. The album was released on March 31, 2015 through RCA Records. This is the group's first album without original lead singer Adam Gontier, and the first with My Darkest Days lead singer Matt Walst. It debuted at No. 16 on the Billboard 200. On April 1, 2014, the band released "Painkiller" on iTunes. On April 8, 2014, the song was released to US rock radio stations. Two months later, it reached No. 1 on the Billboard Mainstream Rock chart. The second single, "I Am Machine", released in September 2014, reached No. 1 on the same chart. On March 23, 2015, "Human Race" was released as the third single. On September 15, 2015, "Fallen Angel" was released as the fourth single. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.