This fourth and final volume of the Dorsey Brothers Orchestra recordings includes two titles from Chick Bullock's Dec. 19th, 1933 session (Other Dorsey Brothers' releases in the Jazz Oracle series are JOR 8004, 8005 and 8006). Also included are sides recorded by Jimmy Dorsey in London in 1930 and an alternate take of "Congratulations" which surfaced after the release of JOR 8005.