sentences:  He joined in 2007 as Marilyn Manson's live bassist, but switched to guitars in January 2008 due to the return of former bass player Twiggy Ramirez.Rob Holliday is half of the band Sulpher, having duties as a lyricist, guitarist and lead vocals.They have released two albums titled "Spray", with two singles for the tracks "One of Us" and "You Ruined Everything", and "No One Will Ever Know" released in 2018.