I probably went on a jag about this before but the two real principals on that album were vocalist David Wayne and bassist Kurt Vanderhoof. Wayne split/was sacked after the seminal "The Dark" album (or was it the live one), forming bands Reverend and Wayne, before dying from a car crash in 2005. Vanderhoof continued with Metal Church, finding his own version of Arnel Pineda or Ripper Owens but also took on a side-project in Presto Ballet, "playing in the style of American prog rock like Styx and Kansas."
Speaking of dead singers, let's throw out another contemporary of theirs here, called Trouble. Migrating a somewhat different path from doom to stoned out psychedelic-metal (who covers the Monkees?), they intersect that metal space in the late 80's. With singer Eric Wagner passing last year, here's one for a couple of real belters, the aptly titled...