1. Charlie Wilson: R&B singer, songwriter, and record producer, best known as a member of the funk/R&B group The Gap Band.
2. CeeLo Green: Singer-songwriter, rapper, record producer, and television personality. He gained popularity as a member of the hip hop group Goodie Mob and as a solo artist.
3. Chris Brown: R&B singer, dancer, songwriter, and actor. He rose to fame in the early 2000s with his self-titled debut album.
4. Calvin Richardson: R&B singer and songwriter, best known for his hit single "Keep On Pushin'."
5. Carl Thomas: R&B singer-songwriter and producer. He gained recognition in the late 1990s and early 2000s for his soulful vocals and romantic lyrics.
6. Cedric the Entertainer: Comedian, actor, singer, and game show host. He has recorded several comedy albums and has also released a gospel album.
7. Clarence Carter: R&B singer and songwriter. He had several hits in the 1960s and 1970s, including "Strokin'" and "Slip Away."
8. Chuck Jackson: R&B singer and songwriter. He is best known for his hit singles "I Don't Want to Cry" and "Any Day Now."
9. Curtis Mayfield: Singer-songwriter, guitarist, and social activist. He was the lead singer of The Impressions and wrote many influential soul songs, including "People Get Ready" and "Superfly."
10. Clarence Clemons: Saxophonist, member of Bruce Springsteen's E Street Band.