Aria, as the title suggests, is a beautiful melodic feature for alto sax. In addition to the haunting tune, Rick Lawn has fashioned subtle supportive ensemble figures that weave a rich fabric of accompaniment and include flugelhorns and cup mutes in the trumpet section. The improvised solo needs only two scales - concert D harmonic minor and Eb major - and the tempo makes it even more accessible. An ensemble chorus follows the solo section and leads to a cadenza before leading to a slower, more dramatic close. Trumpet range is to High B. Trombone range is to G.