Did the highest selling album of Judas Priest release before or after the one produced by Roy Z?
Angel of Retribution: Angel of Retribution is the fifteenth studio album by British heavy metal band Judas Priest, released in 2005. 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.
i don't know