Did the highest selling album of Judas Priest release before or after the one produced by Roy Z?
Angel of Retribution:  The album debuted at #13 on the US "Billboard" chart, which made it the third highest chart of a Judas Priest album (the second being "Nostradamus" and the highest being "Redeemer of Souls"). Angel of Retribution:  The album was produced by Roy Z, who co-wrote the song "Deal with the Devil". Redeemer of Souls: Redeemer of Souls is the seventeenth studio album by the English heavy metal band Judas Priest, which was released on 8 July 2014. Redeemer of Souls:  It is their first album without founding guitarist K. K. Downing, who quit the band in 2011 and was replaced by new guitarist Richie Faulkner. 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.
i don't know