Auditions for “Bah Humbug“ will be held next Sunday and Sept. 3 at 6:30 p.m. at Ayer-Shirley Regional Middle School. Children, teenagers, and adults are needed for the chorus and other roles in the Shirley Arts! production. Rehearsals will be held Sunday, Tuesday and Wednesday evenings this fall; the performances will be Nov. 1 and 2. For more audition information, visit www.shirleyarts.org or e-mail firstname.lastname@example.org.