According to Tejumola Olaniyan in his Indiana University Press biography, Arrest the Music! Fela and His Rebel Art and Politics
, "Jeun Ko Ku" (or "Chop And Quench") was Fela's first commercially successful single.
Released in 1971, "It was a wildly popular hit that sold more than 200,000 copies within six weeks of its release, setting Fela on the path to musical stardom".
Alexander Baron - London, England