The Portmore Chorale from Jamaica will perform at 10:30 a.m. Sunday, Aug. 2, in celebration of Jamaican independence during a worship service at Christ the King Episcopal Church, 4805 Lawrenceville Highway, Lilburn. All worship music will be led by the singers and musicians of the 30-year-old choral group. A luncheon hosted by church members follows. All are welcome and there is no charge for the luncheon. Christ the King Episcopal Church is a multinational congregation and meets in space at Lilburn Marketplace, at the intersection of Indian Trail-Lilburn Road and Lawrenceville Highway. The Rev. John Sewak Ray, a native of Pakistan, is rector.