While running the independent label Charnel Music, Mason released over 30 albums by artists including Crash Worship, Pain Teens, Vas Deferens Organization, Angel'in Heavy Syrup, Fushitsusha, Mainliner, and others. The label specialized in working with Japanese artists to give them an audience in the U.S. and Europe, including the release of three compilations, Land of the Rising Noise, with a wide variety of Japanese artists. Under the continued auspices of the Charnel Music name, Mason continues to organize shows and small tours for bands from Japan.

As an artist and designer, Mason has contributed works to magazines and books. He has done graphic design for a number of CDs including releases from Charnel Music, Manifold Records, and others, including naturally his own albums. He has also designed the covers for a number of books and magazines.

Mason's writing has included countless interviews and record reviews for magazines and web sites including File 13, You Could Do Worse, Industrial Nation, Browbeat, and Ptolemaic Terrascope. He currently contributes reviews primarily to Dusted Magazine online. He has interviewed and written features about bands including Acid Mothers Temple, Angel'in Heavy Syrup, KK Null, Scot Jenerik, Yamamoto Seiichi (Boredoms), Kaneko Jutoku (Kosokuya), Keiji Haino, and many others. He also contributed a section about the Japanese noise underground to the book Japan Edge (Cadence Books, 2000). In addition, Mason has published four issues of the magazine Ongaku Otaku, devoted to covering the Japanese independent music scene. A few of Mason's short works of fiction and miscellaneous non-fiction have been published in magazines such as Enterrupted, Morbid Curiosity, and Cyber-Psycho's A.O.D..

Mason maintains a fitfully updated blog that combines pieces about San Francisco's musical past as well as his own present and future activities. It can be found here. He also writes OngakuBlog, a blog of indie Japanese music with reviews, mp3s, and tour information.