Poetry in the mundane

Heres a really creative piece of poetry that I came across - don't know who the author is - but he seems to have found music in the seemingly mundane activity of typing (probably using a typewriter ?).....

wacka wacka bang splat tick tick hash
Caret quote back tick $ $ dash
Bang splat = at $ underscore
% splat wacka wacka tilde no.4
Ampersand ( ) ( ) dot dot slash
Vertcal bar, curly bracket
comma comma CRASH