Pieter Alan Bourke is an Australian composer, keyboardist, percussionist and audio engineer. From 1995 he has recorded several projects with Dead Can Dance founder Lisa Gerrard, and was a touring member of Dead Can Dance's 1996 Spiritchaser Tour. On 14 April 1998 Bourke and Gerrard issued a world music album, Duality. From 1993 he also collaborated with industrial musician, David Thrussell (alias Black Lung), first as part of the latter's band Snog, then together as the ambient duo, Soma.