Doors Drummer John Densmore Protects Legacy of Jim Morrison in Book About Fallen Singer NEW YORK, N.Y. - FORMER DOORS DRUMMER JOHN DENSMORE KEEPS THE SPIRIT OF JIM MORRISON ALIVE IN HIS NEW BOOK, "THE DOORS UNHINGED: JIM MORRISON'S LEGACY GOES ON TRIAL." THE 68-YEAR DRUMMER IS NO STRANGER TO CHRONICLING HIS FORMER BAND.