One of the ways to view the programming problem of claytronics is how we get what I call ensemble behavior , getting all of the individual units to cooperate together to perform a global task .
The mechanical ensemble included a sinclair zx spectrum 8-bit pc ( guitars ) , an hp scanjet 3c scanner ( bass ) , an epson lx-81 dot matrix printer ( percussion ) , and a group of hard drives to distort vocals .
Accompanied by the royal philharmonic orchestra , dame julie will be joined on stage by an ensemble of five performers including west end and broadway stars .
