The Andrews University Wind Symphony will present its annual spring concert on April 23, and it will be the last performance of the symphony’s longtime director. Alan Mitchell has directed the ensemble for nearly three decades, and he’s retiring this summer. The Wind Symphony will perform Fanfare for the Common Man by Aaron Copland, Overture to Candide by Leonard Bernstein, and Irish Tune from County Derry by Percy Granger, among other pieces. The program will also have two soloists on hand. The retiring Alan Mitchell will be on trombone. Anyone who wants tickets can get them at the Andrews University website or at the box office.