have gone, this is still something we've always come back to, and we just never had the opportunity to do it. And we just kind of said, 'Well, screw it.'" On February 9, 2015, Stone Sour released an official music video and track, which is a cover version of the Metal Church's song "The Dark". The EP was released on April 18, 2015. Corey Taylor confirmed that two more covers EPs are to be produced, they will be titled Straight Outta Burbank and No Sleep Till Burbank and will feature covers of songs by Rage Against The Machine, Mötley Crüe, Bad Brains and Violent Femmes. Straight Outta Burbank..., the second volume in the series, has since been released. Per Blabbermouth.net, On March 29, 2016, frontman Corey Taylor told the "Someone Who Isn't Me" podcast: "Originally we were going to do three [covers EPs], and now it sounds like we're just going to do the two and just keep the other stuff we recorded as extra content for when we make the next album." Hydrograd (2017–2019) On July 26, 2016, Taylor announced the band had written and demoed 18 songs for their sixth studio album, with plans to enter the studio in January for a likely mid-2017 release. On January 23, 2017, Taylor revealed that the band was in the process of recording their upcoming album named Hydrograd. Taylor indicated that the album would incorporate heavy metal elements found in previous releases, alongside hard rock styles. Four singles have been released ahead of the album in promotion; "Fabuless", "Song #3", "Taipei Person/Allah Tea" and "Mercy" (A live recording from Sphere Studios), with St. Marie being released as single following the album's release. Hydrograd released worldwide on June 30, 2017 to generally positive reviews. The band also released an exclusive cover of the Rage Against the Machine song "Bombtrack" for the Metal Hammer compilation Metal Hammer Goes 90s in August 2017. In Spring 2018, Stone Sour embarked on Ozzy Osbourne's US 2018 tour for the Spring and Fall. On May 6, 2019, it was announced that Roy Mayorga joining Hellyeah as their new drummer, and replacing the original Hellyeah drummer Vinnie Paul, who died on June 22, 2018. On November 6, 2019, the band announced that they would be releasing a live album titled, Hello, You Bastards: Live in Reno, on December 13 of the same year. Indefinite hiatus (2020–present) On August