Tourniquet was partially written by the bassist who was part of what band before Marilyn Manson?
Tourniquet (Marilyn Manson song):  It was written by frontman Marilyn Manson, co-founder Daisy Berkowitz and longtime bassist and guitarist Twiggy Ramirez. Twiggy Ramirez:  Previously, he was the bassist for A Perfect Circle and a touring member of Nine Inch Nails, and is currently the vocalist for Goon Moon.
A Perfect Circle