Formed in the 1960s, progressive rock band Procol Harum are best known for their multimillion-selling single "A Whiter Shade of Pale" which is the most played record by a British artist of the last 70 years.Procol Harum's extraordinary career now spans almost 50 years. This major biography traces their roots back to 1964 when they were an R&B covers band called The Paramounts whom The Rolling Stones cited as their favourite British group at the time.

With its song writing partnership of Keith Reid and Gary Brooker, the new band would soon become associated...