For e.g. the Still Life series composed continuous streams of data to create digital silence: maximal data values read as different 'nothings' by your CD player, turned directly into DC voltage; warning - “playing a silence which is based on a very high or low binary value at high volume will produce a high DC voltage in the system that could cause overheating of speaker coils and other electronics.” That is to say, a commercially available CD of thousands of 'nothings', which knackers your CD player. Not just a joke, but a diamond-hard conceptual critique. And brilliant.