Process Artists were involved in issues attendant to the body, random occurrences, improvisation, and the liberating qualities of nontraditional materials such as wax, felt, and latex. Using these, they created eccentric forms in erratic or irregular arrangements produced by actions such as cutting, hanging, and dropping, or organic processes such as growth, condensation, freezing, or decomposition.〔Source: http://www.guggenheimcollection.org/site/glossary_Process_art.html (accessed: Thursday, March 15, 2007)〕

You are slowly being destroyed. It's imperceptible in the scheme of a day or a week or even a year, but you are aging, and your body is degrading. As your cells synthesize the very proteins that allow you to live, they also release free radicals, oxidants that literally perforate your tissue and cause you to grow progressively less able to perform as you did at your peak. By the time you reach 80, you will literally be full of holes, and though you'll never notice a single one of them, you will inevitably feel their collective effect. Aging and degradation are forces of nature, functions of living, and understanding them can be as terrifying as it is gratifying.
It's not the kind of thing you can say often, but I think William Basinski's ''Disintegration Loops'' are a step toward that understanding-- the music itself is not so much composed as it is this force of nature, this inevitable decay of all things, from memory to physical matter, made manifest in music. During the summer of 2001, William Basinski set about transferring a series of 20-year-old tape loops he'd had in storage to a digital file format, and was startled when this act of preservation began to devour the tapes he was saving. As they played, flakes of magnetic material were scraped away by the reader head, wiping out portions of the music and changing the character and sound of the loops as they progressed, the recording process playing an inadvertent witness to the destruction of Basinski's old music.
In essence, Basinski is improvising using nothing so much as the passage of time as his instrument, and the result is the most amazing piece of processmusic I've ever heard, an encompassing soundworld as lulling as it is apocalyptic.〔Source: http://pitchfork.com/reviews/albums/577-the-disintegration-loops-i-iv/ (accessed: Saturday, February 16, 2013)〕

Process Artists engage the primacy of organic systems, using perishable, insubstantial, and transitory materials such as dead rabbits, steam, fat, ice, cereal, sawdust, and grass. The materials are often left exposed to natural forces: gravity, time, weather, temperature, etc.〔Source: http://www.artandculture.com/cgi-bin/WebObjects/ACLive.woa/wa/movement?id=1037 (accessed: Thursday, March 15, 2007)〕