 The original 1951 release under the "Columbia Masterworks" banner featured a red cover which was replaced by the more modern blue cover in 1956.The album was re-released on CD in 2004 with additional bonus tracks recorded at later sessions.The album features full-length versions of Ellington's classics "Mood Indigo" (1930), "Sophisticated Lady" (1933), and "Solitude" (1934).