Question: Did the highest selling album of Judas Priest release before or after the one produced by Roy Z?
Sentence (from "Redeemer of Souls"): The album sold around 32,000 copies in the United States in its first week of release to land at position No. 6 on The Billboard 200 chart, the band's highest charting position in the US after the group's previous album "Nostradamus" debuted at No. 11.
Relevant evidence: Yes