This is an excellent box set of Duke Ellington's 1936-1940 Small Group Sessions, released in 2006 by MOSAIC. The CD grading is rated as Excellent (EX), and the case condition is also Excellent (EX). The sessions feature a small group of musicians, including some of the biggest names in jazz, such as Ellington himself, Charlie Parker, and Ray Brown. The music is a mix of big band and swing, with vocal performances and musicals. This box set is a must-have for any jazz enthusiast, and it comes with numbered features, making it a unique addition to any collection.