Rob(ert) (George) Hirst Solo AudiosMidnight Oil Audios All Rob(ert) (George) Hirst Media Midnight Oil Audios Select OneOfficial Albums All Midnight Oil (w/ Rob(ert) (George) Hirst) Audios Other Group Releases Other Solo Releases Production Roles Various Artists Multidisc Releases Benefits Official Albums: Official Gaia (2003) Alan Simon