This part in the introduction says it doesn't have a citation, does anyone have more information? I'm very curious to learn more: "It found some use in a v

This part in the introduction says it doesn't have a citation, does anyone have more information? I'm very curious to learn more: "It found some use in a variety of unforeseen applications: stochastic poetry, stochastic art, colour classification, aleatory music, architectural symbolism, etc.[citation needed]"