Unto the Locust is the seventh studio album by American heavy metal band Machine Head, released in Australia on September 23, in the UK on September 26 and worldwide on September 27, 2011. The album was produced and mixed by Robb Flynn, and it was the band's highest charting album ever, charting at 22 on the Billboard 200, until their following release Bloodstone & Diamonds charted at 21. Unto the Locust was recorded in Green Day's Jingletown Studios. On June 14, 2011, Machine Head released the advance mix of their album track Locust, which was included on the 2011 Mayhem Festival iTunes sampler. This would be Machine Head's last studio album with co-founder and bassist Adam Duce before he was fired due to "ongoing differences" with the band on February 11, 2013. It has sold over 100,000 copies in the United States. At just under 49 minutes long it is the band's shortest album released. Release The first single from Unto the Locust, simply titled "Locust", was released on June 10, 2011. Side A begins with the song "Locust" and Side B contains the two live tracks "Beautiful Mourning" from The Blackening and "Bite the Bullet" from Through the Ashes of Empires. Sloat stated about the "Locust" clip: Special edition The UK version of Metal Hammer magazine have announced that a special edition fan-pack would be released by the magazine with a 132-page special issue with exclusive behind-the-scenes access to the making of the album, extensive interviews with every member, historic shots from the band's personal collections, a guide to their custom rigs, and a diary of their massive Rockstar Energy Drink Mayhem Festival tour. Metal Hammer also gave away a special edition vinyl with their November 2011 issue containing the song Locust with alternate lyrics on the A-Side and Beautiful Mourning and Bite the Bullet (both live) on the B-Side. Reception Unto the Locust received critical acclaim from music critics. At Metacritic, which assigns an aggregate rating out of 100 to reviews from mainstream critics, the album received an average score of 91, based on 6 reviews, which indicates "Universal acclaim". The songs "I Am Hell" and "This Is The End" received heavy rotation on college radio stations, most notably on WVYC's After-Hour Abomination. Unto The Locust sold over 17,000 copies in the United States in its first week of release to land at position No. 22 on the