All six of UConn’s jazz ensembles will perform at the fall Jazz Showcase concert in von der Mehden Recital Hall at 7:30 pm on Monday, Sept. 26th. A wide variety of music will be presented, including new works by Earl MacDonald, the big band music of Jimmy Heath, classic standards by Mercer, Hammerstein and Kern, and even some avant-garde pieces by Grammy and Pulitzer prize winner, Ornette Coleman.