added to the controversy surrounding the album's hit single "Chop Suey!"; the song was taken off the radio as it contained politically sensitive lyrics according to the 2001 Clear Channel memorandum at the time such as "I don't think you trust in my self-righteous suicide". Regardless, the video gained constant play on MTV as did the album's second single, "Toxicity." Even with the controversy surrounding "Chop Suey!" (which earned a Grammy nomination), System of a Down still received constant airplay in the United States throughout late 2001 and 2002 with "Toxicity" and "Aerials." In May 2006, VH1 listed "Toxicity" in the number 14 slot in the 40 Greatest Metal Songs. In 2001, the band went on tour with Slipknot throughout the United States. Following a performance in Grand Rapids, Michigan, Odadjian was allegedly harassed, ethnically intimidated, and was physically assaulted by security guards backstage, who then dragged him out of the venue. Odadjian received medical attention from police and later filed a suit against the security company. Despite the incident, the tour was a success and System of a Down and Slipknot went on the Pledge of Allegiance Tour together with Rammstein in 2001. In late 2001, unreleased tracks from the Toxicity sessions made their way onto the Internet. This collection of tracks was dubbed Toxicity II by fans. The group released a statement that the tracks were unfinished material and subsequently released the final versions of the songs as their third album, Steal This Album!, which was released in November 2002. Steal This Album! resembled a burnable CD that was marked with a felt-tip marker. About 50,000 special copies of the album with different CD designs were also released, each designed by a different member of the band. The name of the album is a reference to Abbie Hoffman's counter-culture book, Steal This Book, as well as a message to those who leaked the songs onto the Internet. The song "Innervision" was released as a promo single and received constant airplay on alternative radio. A video for "Boom!" was filmed with director Michael Moore as a protest against the War in Iraq. Mezmerize, Hypnotize, band hiatus and side projects (2004–2008) In 2004, the group recorded the follow-up to Steal This Album!: a double album, which they released in separate installments six months apart. The releases notably included album cover artwork by Malakian's father, Vartan Malakian, and were designed to