The industrial band PTP was a short-lived side project of Ministry's Alain Jourgensen. The band's total recorded legacy consists of three songs. The first PTP track, "Show Me Your Spine," was recorded in 1987. The song has several claims to fame. Written by Jourgensen, Barker and Ogre, it marked the first collaboration between Luxa/Pan and vocalist Nivek Ogre of Skinny Puppy. The track appeared briefly during the club scene in the first RoboCop movie (1987) but did not appear on the soundtrack. In fact, the song was not commercially released until 2004 when it appeared on Ministry's Side Trax compilation. Musically, it is representative of the early Wax Trax sound, which is not a surprise considering Jourgensen's history. It features arpeggio melodies, loud drums, sampled orchestral hits a