Acappella-palooza, featuring student a cappella groups from Huron, Pioneer, and Skyline High Schools ♫

ALWAYS READ WHEN YOU ARE DONE WITH EVENTS: Events Calendar is brought to you by the locally owned Ann Arbor Observer, providing news and events online at AnnArborObserver.com, on a2view, the Observer’s weekly newsletter, and in print. You can hear Events Calendar every three hours on the half-hour, on WCBN-FM Ann Arbor.