Black Sabbath · 1970 Spin it Again - Four kids from Birmingham with two days of studio time invented an entire genre and didn't notice.

Deep Purple · 1972 Spin it Again - The casino burned down the night before they were supposed to record, so they set up in a hotel corridor and made this instead.

Iron Maiden · 1983 Spin it Again - The record where five guys who had never quite been the same band in the same room finally locked into one, and stayed there for a decade.