Hollywood Undead is an American rap rock band from Los Angeles, California. They released their debut album, Swan Songs, on September 2, 2008, and their live CD/DVD Desperate Measures, on November 10, 2009. Their second studio album, American Tragedy, was released April 5, 2011. All of the band members use pseudonyms and wear their own unique mask, most of which are based on the common hockey goaltender design. The band members currently consist of Charlie Scene, Da Kurlzz, Danny, Funny Man, J-Dog, and Johnny 3 Tears. The band has sold over two million records in the United States alone, and about three million records worldwide. Their third studio album, titled Notes from the Underground, was released on January 8, 2013.

Their fourth studio album, Day of the Dead, was released on March 31, 2015. The group had the album available for pre-order on February 17. Up to the release of the album, the band released five new singles off of the album, "Usual Suspects", "Gravity", "How We Roll", "Live Forever", and "Disease".