Vox Dominici, a Northeast Philadelphia chamber choir whose primary goal is to foster excellence in sung choral liturgy.

St. William Parish in Northeast Philadelphia will launch a new concert series in October, with its opening performance dedicated to the Blessed Mother.

Vox Dominici, a Northeast Philadelphia chamber choir, will present a program of classic liturgical music in honor of Mary.

The concert will take place on Sunday, Oct.  15 at 2 p.m. in St. William’s lower church, located at 6200 Rising Sun Avenue in Philadelphia. Parking is available in the church lots, and a freewill offering will be taken up after the performance. Light refreshments will also follow.

Directed by Vincent DiFrancesco, Vox Dominici’s primary goal is to foster excellence in sung choral liturgy.

For more information, please contact St. William’s rectory at (215) 745-1389 or Ken Houser, the parish’s music director, at music@churchofstwilliam.com.