MODESTO — Singers of all ages and abilities are invited to participate in the ninth annual sing-along performance of G.F. Handel’s “Messiah” on Sunday, Nov. 20. The community-wide event, which is free and open to the public, will take place at 4 p.m. at Trinity United Presbyterian Church, 1600 Carver Road in Modesto. Scheduled each year for the Sunday before Thanksgiving, “It’s a great way to kick off the Holiday season,” said event organizer, Denise Nordell.