ol. 3: (The Subliminal Verses) is the third studio album by American heavy metal band Slipknot. The album was released on May 25, 2004, by Roadrunner Records, and a special edition, containing a bonus disc, was released on April 12, 2005. It is the band's only album produced by Rick Rubin. Following the band's tour to promote its second album in 2001, speculation regarding the future began. Some band members had already been involved in side projects including Murderdolls, To My Surprise, and the reformation of Stone Sour. In 2003, Slipknot moved into The Mansion to work on the album. Initially, the band was unproductive; lead vocalist Corey Taylor was drinking heavily. Nevertheless, the band managed to write more than enough material for a new album. Vol. 3 is credited as Slipknot's first to incorporate more traditional, melodic song structures, guitar solos and acoustic instruments.