Urochromes They’re fast, they’re fearless, and they’re amazing. Meet screaming vocalist Jackie Jackieboy, shredding guitarist Dick Riddick, and their super tight friend: the drum machine. Together, they form a punk band called Urochromes - named after the pigment that determines the color of piss. Urochromes’ songs are blistering fast, mind-blowing chaotic, and filled with an endless source of frustration. Unable to show videos. Please click here to accept cookies and enable embedding of videos. back to line-up Spotify Unable to embed spotify. Please click here to accept cookies and enable playing of music.