Procol Harum are a British rock band formed in 1967. They contributed to the development of progressive rock, and by extension, symphonic rock. Their best-known recording is their 1967 single A Whiter Shade of Pale. Although noted for its baroque and classical influence, Procol Harum's music also embraces the blues, R&B and soul. In October 2012, the band was nominated for induction into the Rock and Roll Hall of Fame, but were unsuccessful.
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