### Clue: Rebellion by one South African party divided four consecutive notes (8)
### Answer: DEFIANCE 
 ### Explanation: Definition: Rebellion
 [ I(Roman numeral for "one") + ANC(abbrev. for the African National Congress, the South African political party) ] **contained in**(… divided) D,E,F,E(four consecutive notes in the diatonic musical scale). Is that a typo for "dividing"?