Guest Appearances
In addition to appearing on several studio albums with Fates Warning, Moore has appeared on compilation discs and performed as a guest musician for various bands. In 1998, he teamed up with Steve Tushar for a cover of Metallica's "The Thing That Should Not Be" that appeared on a tribute disc called The Blackest Album, and the same year the duo contributed two tracks to a video-game compilation disc called Sonic Adventure Remix. Moore was also a guest musician on Tushar's Carbon 12 album in 1999, as well as his Oscillate album in 2008.
![](http://themooreatorium.tripod.com/webonmediacontents/guestapp1.jpg?1696444119712)
More recently, Moore has contributed production, vocals or keyboard parts to music created by a number of his fans who contacted him via e-mail. Those appearances included a track for Italian bassist and composer Alberto Rigoni's Three Wise Monkeys album in 2012, a track for Italy-based progressive psychedelic rock band Chaos Venture's Chaos Venture 1.0 album in 2013, and a track for Italy-based electronic metal band Madwork's Obsolete album in 2013.
Moore's other guest appearances have included several tracks for U.S.-based experimental rock band In Progress's North Atlantic Echoes EP in 2014, Beirut-based progressive rock musician Amadeus Awad's The Book of Gates album in 2014, Aquiles Priester & Gustavo Carmo's Our Lives, 13 Years Later... album in 2014, Jim Matheos' Tuesday the Sky album in 2017, and Puerto Rico-based progressive metal band Avandra's Descender album in 2019.