Sigil Of Brass • Online Mastering Studio based in Yorkshire - Simply put, we offer low cost Mastering For DJ Mixes, Field Recordings, Experimental Music and all the associated genres inbetween. We are the people who are behind two No.1 hits, with Guerrilla Dub System, and we would like to offer our services to the general public as a DJ Mix Mastering Service - if you are a DJ or a musician and you need you Mix mastered, then see our site: www.sigilofbrass.com