31 years ago today (4/11/88), Iron Maiden released their seventh LP Seventh Son of a Seventh Son. As the first Iron Maiden release to feature keyboards, it also marked the first appearance of many progressive rock elements which would be used frequently in later Maiden albums. In all-time album rankings list, you can typically always find Seventh Son in the top five and for many in the top two or three. Watch the band perform the title track live in 1988…
