The Islander: My Life in Music and Beyond, the newly released Gallery Books memoir from pioneering music executive and Island Records founder Chris Blackwell, would have been an amazing read even if it had stopped before Blackwell discovered a teenage Steve Winwood blowing minds in a London club in 1964, happened upon a struggling Jamaican musician named Bob Marley in the early 1970s or overcame initial doubts about the commercial potential of a nascent Irish rock group named U2 and signed it to a record contract. Indeed, Blackwell’s early years growing up between Jamaica and London feature one “I can’t believe this really happened” anecdote after another, from being punched by actor Errol Flynn in a jealous rage to befriending James Bond author Ian Fleming and being hired as a production ...