Unto the Locust

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:^[6]

"The video is all based on the artwork from the album as well as the vision of the artist, Paul Gerrard. Together we hashed out some concepts for attack scenes as well as the band's performance. We shot the band on green screen in Philadelphia on August 1st, 2011. It was on a 'off' date from the [Rockstar Energy Drink] Mayhem Festival. There's well over 600 shots in the video, all of which have varying levels of CG effects, and ended up taking over two months to complete. [It is] easily the BIGGEST music video I've ever done. With so many CG shots, we had to divide the work among several CG FX people and editors. Once the shots came back, I would edit them in and start the color effects and any last minute tweaks I wanted to add."

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.^[7] 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 as well as live recordings of Beautiful Mourning and Bite the Bullet on the B-Side.

More information Aggregate scores, Source ...

Professional ratings

Aggregate scores
Source	Rating
Metacritic	91/100[8]
Review scores
Source	Rating
About.com	[9]
AllMusic	[10]
Artistdirect	[11]
BBC Music	highly favourable[12]
Blabbermouth.net	9.0/10[13]
Blistering	8/10[14]
CraveOnline	8.5/10[15]
Decibel	[16]
The Guardian	[17]
Metal Hammer	10/10[18]
Pitchfork Media	7.7/10[19]
Revolver	4.5/5[20]

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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".^[8]

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 Billboard 200 chart — putting Machine Head in the Top 25 for the first time in the band's 19-year history. This is also their third consecutive album to show at least a 20 percent increase in sales over its predecessor. This was accomplished in spite of the music market dropping by more than 45 percent^[21] in the four and a half years since the release of the band's previous album, The Blackening.

In 2011, the album won a Metal Storm Award for Best Thrash Metal Album.^[22]

The band toured the album under the name of The Eighth Plague beginning November 1, 2011. Support came from the bands Bring Me the Horizon, DevilDriver and Darkest Hour. Robb Flynn made a statement saying that "This will no doubt be the heaviest show you're going to see this year. A lot of the greatest shows of our last touring cycle were in Europe and the U.K., so the prospect of this lineup combined with these crowds has us extremely stoked to get out there and tear it up! New material, great venues, killer fans... we absolutely cannot wait!"^[30]

The band also played two warm up shows, at Club Vegas in Salt Lake City, Utah and The Knitting Factory, Reno on July 5 and 7 respectively.^[31] These dates were first time the band had taken the stage since March 2010 after the touring cycle for their last album The Blackening ended. The band performed on the 2011 edition of Rockstar Mayhem Festival, marking their 2nd time on the tour, as they were on the inaugural tour in 2008. They spent the first 9 dates on the tour from July 9–20 playing the Main Stage, after which they headlined on the Revolver Stage spanning July 22 – August 14.