Sin After Sin is the third studio album from Judas Priest, released in 1977. Sin After Sin was the band made their major label debut and were able to work with a famous musical artist as their producer, former Deep Purple member Roger Glover. The band also fully embraced an aggressive metal sound with this release. The group achieved widespread popularity on radio for their first time, oddly enough with their hard-edged version of Joan Baez's song "Diamonds & Rust" These are original albums - no bonus tracks are included - with audio from original sources.