Complex sentence: In 2017, Jan's production received further acclaim with the release of Dan Sultan's record Killer, which was nominated for three ARIA awards and met with widespread critical acclaim, specifically for Jan's production, including four stars from Rolling Stone.
Split into simpler sentences: In 2017, Jan's production received further acclaim with the release of Dan Sultan's record Killer, which Jan produced. Killer was nominated for three ARIA awards and met with widespread critical acclaim, specifically for Jan's production, including four stars from Rolling Stone.