Gary Brooker, the lead singer of the rock group Procol Harum, in London in 2006. Gary Brooker, the Procol Harum frontman who sang one of the 1960s’ most enduring hits, “A Whiter Shade of Pale,” has died. A statement posted on the band’s official website said: “With the deepest regret we must announce the death on February 19 2022 of …