Mount Zion United Methodist Church, 2131 W. Black Creek Valley Road, Crawfordsville, will have a special service of music ministry Sunday. Ken Robertson, a noted musician and speaker from Pendleton, will present a program at the regular worship service at 9:30 a.m. He will present a mix of bluegrass, gospel, western, as well as original songs. There will be a brief sermonette entitled “The Quarter Mile Hallway.” All are welcome. A free-will offering will be collected.