1965‐1974(10years)Billboard Number One R&B Albums
https://youtu.be/chAkoiKjjng
1968-1970 Billboard number-one R&B Albums
https://youtu.be/r9RKrklJrYw
1971~1972 Billboard Number One R&B Albums
https://youtu.be/jNJ7M7KMwXo
1973 Billboard Number One R&B Albums
https://youtu.be/1Q4GMr24ZT4
1974 Billbord Number One R&B Albums
https://youtu.be/6myTOxH9Hrc