Formed in 1970, ELP were torchbearers of the progressive rock sound and one of rock's first super-groups. ELP helped to broaden the audience for the genre from hundreds of thousands into tens of millions and were one the most commercially successful rock bands of the 1970s, achieving global sales of over 40 million albums. Their first 7 album releases all made the U.K. albums chart top 10 and U.S. top 20. Brain Salad Surgery is ELP's boldest, most successful and popular album release. The new deluxe edition 2CD is the 24/96 HD 2014 remaster of the original 1973 album plus the 2014 Steven Wilson stereo mix, B-sides and alternate takes as well as the now legendary NME flexi disc. LP is cut for the first time from the 2014 remastered files. LP elaborate original sleeve faithfully reproduced - with die-cut gatefold sleeve and fold out poster 2CD booklet contains extensive new liner notes, with new band interviews, by legendary rock journalist Chris WelchThe audio was mastered by world-renowned rock studio engineer Andy Pearce.