Complex sentence: The award is given to an Australian group, comprising two or more members, for an album or single release, and is voted for by a judging academy, which comprises 1000 members from different areas of the music industry.
Split into simpler sentences: The award is given to an Australian group comprising two or more members for an album or single release. The accolade is voted for by a judging academy which comprises 1000 members from different areas of the music industry.