Maestro Koch concludes his 25th season with the Carolina Master Chorale, leading the CMC in perhaps the most beloved oratorio in all of music history: “Ein Deutsches Requiem” by Johannes Brahms. Soprano Shannon Dooley, baritone Jeffrey Jones, and the Long Bay Symphony join Dr. Koch and the Chorale in a spectacular conclusion to a quarter century of great choral music on the Grand Strand. First Presbyterian Church, 3810 Robert M. Grissom Pkwy. Sunday, 4 p.m. $25. (843) 444-5774 www.carolinamasterchorale.com