 He recorded two albums with them, "Permian Dusk", which was released in 2005 and "Vespertilion", released in 2007, but announced his departure from the band that November.Grose also contributed lead guitars and vocals to Sydney thrash metal act Dark Order's 2002 album "The Violence Continuum" and has featured as a live member of the Sydney heavy rock band King Oath, which later became known as Platinum Brunette.He joined Platinum Brunette as guitarist in May 2008 but left again in July 2009, producing and playing on the band's self-titled album in the meantime.