Complex sentence: Black Sabbath released "Headless Cross" in April 1989, and it also ignored by contemporary reviewers, although Allmusic contributor Eduardo Rivadavia gave the album four stars and called it "the finest non-Ozzy or Dio Black Sabbath album".
Split into simpler sentences: Black Sabbath released "Headless Cross" in April 1989, and this album was again ignored by contemporary reviewers. Eventually, Allmusic contributor Eduardo Rivadavia would give the album four stars, calling "Headless Cross" "the finest non-Ozzy or Dio Black Sabbath album".