Tonight at 7:30 at Severance Hall, the Cleveland Orchestra will perform Prokofiev's Sixth Symphony along with Bridge's The Sea and Dukas' The Sorcerer's Apprentice, a piece made famous by Mickey Mouse in Disney's Fantasia. Youngstown State University's Caroline Oltmanns gives the pre-concert talk. The program repeats at 8 p.m. on Saturday. Consult the orchestra website for ticket prices. (Niesel)