On October 11, 2007, the music video for "Crushcrushcrush" debuted on the United States television as the next single from Riot!. The video for "Crushcrushcrush" featured the band playing a performance in a barren desert, being spied upon, and later destroying their equipment. The single was released in the United States on November 19 and made available in the United Kingdom on November 12, 2007.Hayley Williams recorded guest vocals for the tracks "The Church Channel" and "Plea" for the Say Anything concept album In Defense of the Genre released on October 23, 2007.The group performed live, acoustic style in Boston on November 29, 2007 for FNX radio. On December 31, 2007, Paramore performed on the MTV New Year's Eve program which ran from 11:30 p.m. to 1:00 a.m.