Diamond Terrifier Cipher is a musical artist known for combining avant-garde jazz with experimental electronic music. The project is led by saxophonist Sam Hillmer, who has collaborated with artists such as Zs, Hubble, and Marc Ribot. Diamond Terrifier Cipher's music is often characterized by its intense, visceral energy and unpredictable structures, incorporating elements of free jazz, noise, and psychedelic rock. The project has released several albums, including Chapel Master and Kill the Self That Wants to Kill Yourself.