Negation has been played on NTS in shows including Don't Trip w/ Margarita, featured first on 14 September 2015. Songs played include Body / Idea, Self and Earthen Sacrament.

There is more than 1 band called Negation:

A Punk/Post Punk band from New Orleans - http://negationisaband.tumblr.com/

The history of the band begins somewhere around October 2004. Janek, a young drummer decided to start a band. It was clear that he wanted to play death metal because he was a great fan of this style. After a few weeks he found a guitar player Voytazz who brought Tomek "Proca" Procner the band's rhythm guitarist to…