The Richard Riggs Memorial Choir, with more than 150 singers from 50 local churches and organizations, will perform Handel’s “Messiah” at 7:30 p.m. Saturday, Dec. 6, and at 3 p.m. Sunday, Dec. 7.

The performance takes place at St. Matthew’s United Methodist Church, 15653 E. Newton St. in Hacienda Heights.

Seating is a first come – first served basis. No tickets are sold for the concert but a freewill offering is taken at the end of each performance, with a $20 suggested donation, to help offset the costs of the presentation.