Hydrograd is the sixth studio album by American rock band Stone Sour. Recorded at Sphere Studios in Los Angeles, it is the follow-up to the band's 2012–2013 double concept album, House of Gold & Bones Part 1 and 2. It was released worldwide on June 30, 2017 via Roadrunner Records. Hydrograd also had a special album premier with commentary on each song from frontman Corey Taylor on June 29, 2017 on Octane. Two singles were released in promotion of the album ahead of its release: "Fabuless" and "Song #3". A third single, "Rose Red Violent Blue", was released on September 13, 2017. On October 24, 2017, Hydrograd won the award for Hard Rock Album of the Year at the Loudwire Music Awards. On April 4, 2018, the album’s fourth single, “St. Marie” was released. Hydrograd is the first album to be produced without founding guitarist Jim Root, as he departed Stone Sour in 2014 to focus more on his and Corey's other band Slipknot. On August 23, 2018, the album's fifth single, "Knievel Has Landed" has been released.