'the mix up' is beastie boys' first-ever full album of all-new instrumental material. the follow-up to 2004's 'to the 5 boroughs', it features mike 'mike d' diamond, adam 'adrock' horovitz and adam 'mca' yauch back on drums, guitar and bass, with able assistance from keyboard money mark and percussionist alfredo ortiz, on 12 brand new wordless, sample-less, scratchless originals. sure to please fans of the instrumental cuts from 'check your head' and 'ill communication' and the cult hit compilation album made up largely of those tracks, 'the in sound from way out!', 'the mix-up' finds nyc's favourite sons drawing on one of their arsenal's primary strengths and pushing it into bold new directions.