1. B.B. King: B.B. King, known as the "King of the Blues," continued to be a prominent figure in the blues scene throughout the 70s. He released several successful albums during this period, including "Completely Well" (1970), "Lucille Talks Back" (1975), and "Midnight Believer" (1978).
2. Bobby "Blue" Bland: Bobby "Blue" Bland was another influential blues singer active in the 70s. He released a number of hit singles and albums during this time, such as "I Pity the Fool" (1971), "Ain't No Love in the Heart of the City" (1974), and "Here We Go Again" (1977).
3. Etta James: Etta James, known as the "Matriarch of R&B," continued her successful career in the 70s. Some of her notable releases from this period include "Tell Mama" (1972), "Etta James" (1973), and "Come Go with Me" (1976).
4. Buddy Guy: Buddy Guy emerged as a prominent blues guitarist and singer during the 70s. He released several well-received albums, including "Hold That Plane" (1972), "Southside Blues Jam" (1973), and "Stone Crazy" (1977).
5. Albert King: Albert King, known for his distinctive guitar playing style, had a successful career in the 70s. He released albums like "I'll Play the Blues for You" (1971), "Truckin'" (1972), and "I Wanna Get Funky" (1974).
6. Muddy Waters: Muddy Waters, one of the pioneers of Chicago blues, remained an influential figure in the 70s. He released notable albums such as "The London Muddy Waters Session" (1971), "Can't Get No Grindin'" (1973), and "Hard Again" (1977).
7. Koko Taylor: Koko Taylor was a prominent female blues singer who gained recognition in the 70s. She released successful albums like "Koko Taylor" (1975), "The Earthshaker" (1978), and "From the Heart" (1979).
These are just a few examples of the many talented black blues singers who contributed to the genre during the 1970s.