The C.O.D.'s were an American soul and R&B band active in the mid-1960s, most renowned for their single "Michael." Originating from Chicago, Illinois, the group was known for their rhythm-driven compositions and emotive vocals which embodied the sounds of the soul era. Despite not gaining widespread fame, The C.O.D.'s played a significant role in the local Chicago soul scene, contributing to its rich musical heritage. Their track "Michael," which charted on Billboard's Hot 100, remains their most noteworthy work, displaying their distinctive sound and vocal harmonies.