Shawn also has been playing guitar since 1980, which he learned from watching his brother, Glen Drover play. Shawn wrote most of the music for all 6 Eidolon records as well as all of the lyrics for all Eidolon records except "The Parallel Otherworld". He was playing guitar during Megadeth's "Blackmail The Universe Tour" in Kawasaki, Japan (April 3, 2005). Shawn and his brother Glen Drover switched instruments playing "Paranoid" and the second half of "Peace Sells". Glen sat at the drums, and Shawn played the guitar, during Gigantour show in Toronto on September 3, 2005. Shawn co-wrote the Grammy Nominated song "Head Crusher" from 2009's "Endgame", as well as "Built for War" from 2013's "Super Collider".