Quoc: Ronald Belford "Bon" Scott (9 July 1946 -- 19 February 1980) was an Australian singer and songwriter, best known for being the lead vocalist and lyricist of the Australian hard rock band AC / DC from 1974 until his death in 1980.

When did the lead singer of acdc died?
HW Chung: OK, some thoughts:
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The relevant sentence in the passage is: Ronald Belford "Bon" Scott (9 July 1946 -- 19 February 1980) was an Australian singer and songwriter, best known for being the lead vocalist and lyricist of the Australian hard rock band AC / DC from 1974 until his death in 1980. The answer is 19 February 1980.
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