[joethelion]

well - it was a free download (although in a not-so-hot bitrate) on underworldlive

then it was "promoted" to a bonus track on the Japanese release of Barking

(edit)
wait... I think I'm mistaken
are "Simple Peel" and "Simply Distinctive" different songs?

...I remember that one of them was actually played live somewhat often on the OWB tours (like an intro to... You Do Scribble or NUXX)