Duke Ellington was constantly composing new material as well as creating new arrangements of vintage works, as heard on this Columbia LP recorded in 1959. "Perdido" is an extended feature for Clark Terry's virtuoso flügelhorn, though this would be his final studio session as a regular member of the Ellington band. "Copout Extension," a longer version of an earlier work called "Copout,"showcases marathon soloist Paul Gonsalves on tenor sax.