ARTIE IS AT HIS ABSOLUTE BEST AT THIS POINT IN TIME. HIS CREATIVITY LEVEL IS THROUGH THE ROOF. HE CAN PLAY THE SAME SONG 100 TIMES AND PLAY A DIFFERENT SOLO EACH TIME, GENIUS!
The insouciant young man (seated first row) -- trombonist and clarinetist, apparently -- seen either over or level with Shaw's left shoulder (which is on the right, of course) looks like he's smiling and having to contain a laugh throughout.