In the summer of 2011 , Machine Head toured as a part of the Rockstar Mayhem Festival . During the tour , the band debuted a new song off of '' Unto the Locust '' , entitled " Locust " . The song was later released on Amazon and iTunes on June 14 , 2011 . '' Unto the Locust '' was released on September 27 , 2011 , to critical acclaim . The album charted in several countries , including number 22 in the US ( the first time the band had ever cracked the top 25 in US ) and at number 5 in Germany
Mayhem Festival
Mayhem Festival 2011
Machine Head (band)