Joining the Music Box is a great way to support the historic theatre and receive program benefits. To purchase an annual membership online, please choose the type of membership below. Your Membership will be effective immediately once registration is complete. Your Membership card and materials will be mailed out within 3 - 5 business days. For inquiries, please contact Claire Alden, Group Sales & Membership Manager, at 773.871.6607 or firstname.lastname@example.org.