Deflorate (2006–2010) Their third album, entitled Nocturnal, was released on September 18, 2007. The album debuted at No. 72 on the Billboard 200. The Black Dahlia Murder announced via their MySpace profile that they were going on a U.S. tour with Cannibal Corpse to promote their new album Nocturnal and celebrate the 25 years that Metal Blade Records had been in business. They were joined by label-mates The Red Chord, Aeon, The Absence, and Goatwhore. In January/February 2008, the band embarked on a U.S. headlining tour with 3 Inches of Blood, Hate Eternal, and Decrepit Birth, followed by another alongside Brain Drill and Animosity. They were on Hot Topic's "Summer Slaughter Tour" with Kataklysm, Cryptopsy, Vader, Whitechapel, and Despised Icon. Their longtime lead guitarist, John Kempainen left the band and was replaced by Ryan Knight during the beginning of 2009. In May 2009, The Black Dahlia Murder released their first DVD, "Majesty". The DVD contains a documentary and live footage from the Summer Slaughter tour and their tour supporting Children of Bodom in late 2008. The DVD also contains all of their music videos and behind the scenes footage. The Black Dahlia Murder released Deflorate on September 15, 2009, via Metal Blade Records. The album sold 12,000 copies in the United States in the first week of the release, debuted at position No. 43 Billboard's Top 200 charts, No. 5 on Billboard's Independent Albums chart, No. 4 on Billboard's Top Hard Music Albums chart, and No. 50 on HITS Top 50 Albums chart. They toured with Children of Bodom and Skeletonwitch in support of the album. After their 2010 headlining tour with Goatwhore and Arkaik, the band began writing and recording their next full-length album. Ritual and member changes (2011–2013) In February 2011, The Black Dahlia Murder completed the songwriting process for their fifth studio album, entitled Ritual. It was released on June 21, 2011, in North America. The band supported Amon Amarth on their May 2011 European tour, as well as headlined the 2011 Summer Slaughter tour, both in support of Ritual. Before the record's release, the track "Moonlight Equilibrium" was posted to the Metal Blade Records website on April 29, 2011, to critical and fan acclaim. A music video for "Moonlight Equilibrium" was released on February 20, 2012. In April 2012 during the New England Metal and Hardcore Festival on the first night performance, Trevor Strnad officially welcomed