The Ohio Northern University Department of Music presents the fourth annual All-Ohio Choral Day Concert on Friday, Oct. 30 at 7:30 p.m.

The concert will be the culmination of a full day of music making by some of Ohio's top high school vocalists, under the direction of Dr. Ben Ayling, ONU choral director and associate professor of music, and guest conductor, Dr. Jim Henry.  More than 80 high schools students from across the state of Ohio will be participating in the event.

Special guest performers will be Crossroads. Crowned the 2009 Barbershop Harmony Society Champion Quartet just two years after forming, Crossroads has become one of the most sought after a capella foursomes in the world having already performed in Germany, France, Finland, the U.K., Spain and all over the United States.

Tickets for this event are $20 for adults, $15 for seniors, $10 for ONU faculty and staff, and $5 ONU students and children.

The Freed Center box office is open Monday through Friday from noon to 5 p.m., and Saturday from 10 a.m. to 2 p.m. Phone orders are accepted with American Express, MasterCard, VISA or Discover by calling 419-772-1900. Tickets also are available online at www.freedcenter.com.