The song is based around a blues-influenced hard rock harmony, primarily utilizing power chords and a minor key feel.
The rhythm is a driving, mid-tempo rock beat with a strong emphasis on the downbeat. It has a solid, unwavering feel.
The vocal melody is blues-influenced and delivered with a raw, powerful energy by Brian Johnson. The guitar riffs are highly melodic and memorable.
The song was written as a tribute to Bon Scott, the band's previous vocalist, who died in February 1980.
Released in 1980 as the title track of their landmark comeback album, 'Back in Black' marked the debut of Brian Johnson and cemented AC/DC's status as global superstars. The song's minimalist, hard-hitting production and infectious groove transformed it into a definitive cornerstone of hard rock history.