united mutation was the name of a DC psychedelic hardcore band. here's an interview with them:
jay fox said:
"Our band were all big Zappa/Mothers/Beefheart fans,thats why we took the name. We did contact FZ and he didnt seem too concerned about us using the name... Etc We also did contact Cal Shenkel about doing our LP
cover,but he wanted way too much cash. Oh well."