It is a collection of recordings by the legendary bandleader Duke Ellington and his orchestra. The recordings were made between 1942 and 1956 and include both original compositions and arrangements of popular songs. The first recording in the collection, "It Started All Over Again (October 16, 1942 Treasury Show - Hollywood)," is a live performance from the October 16, 1942 Treasury Show held at the Hollywood Roosevelt Hotel. The band's energy and enthusiasm are palpable on this recording, making it a great listen for fans of Duke Ellington and big band jazz. The next few recordings in the collection are re-recordings of some of Duke Ellington's most popular songs. These versions feature updated arrangements and instrumentation that give them a fresh sound while still retaining their original charm. The inclusion of these re-recordings is a testament to the enduring popularity of Duke Ellington's music and his influence on jazz history. The later recordings in the collection, made between 1952 and 1956, feature Duke Ellington working with some of the biggest names in jazz at the time, including Louis Armstrong and Johnny Hodges. These collaborations showcase the bandleader's ability to adapt his music to different styles and influences while still maintaining his own unique sound. Overall, this collection is a must-have for any fan of Duke Ellington and big band jazz. The recordings are well-produced and feature top-notch musicianship, making them a pleasure to listen to.