Zion Lutheran Church will host its annual outdoor service at 9:30 a.m. Sunday at the pavilion outside the Felch Township Community Center on M-69 in Felch. The Willow Ridge Bluegrass Band will perform old-time gospel music. The worship service will be followed by a potluck meal with roasted hot dogs and beverages provided. Those attending are encouraged to bring a lawn chair. In case of inclement weather, the service will be conducted inside. All are welcome.