Premise: Ronald Belford `` Bon '' Scott ( 9 July 1946 -- 19 February 1980 ) was an Australian rock musician , best known for being the lead singer and lyricist of Australian hard rock band AC/DC from 1974 until his death in 1980 . Scott formed his first band , The Spektors , in 1964 and became the band 's drummer and occasional lead vocalist .
Hypothesis: Bon Scott only drums.
Label: CONTRADICTION