As part of Core Design, Connelly worked in sound design on Tomb Raider III: Adventures of Lara Croft and later as a leading composer for Tomb Raider: The Last Revelation and Tomb Raider: Chronicles.
As a component of Core Design, Connelly contributed to sound design in Tomb Raider III: Adventures of Lara Croft and subsequently served as a primary composer for Tomb Raider: The Last Revelation and Tomb Raider: Chronicles.