P16.D4 - German experimental noise-team. Active period of the band falls on the period from 1980 to 1988. On musicians was influenced by German punk and Neue Deutsche Welle-scene early 80s. Initially, the project called Permutative Distorsion, then the name was changed to PD Under the name PDbylo released two records, then the name of the team changed to P16.D4. Founder, leader and sole constant member of the band is Wehowski Ralph. Later, he recorded solo material under the name of RLW.