Complex sentence: "Hells Bells", the first track of Australian hard rock band AC/DC's first album without Bon Scott, "Back in Black", represents the first song on Brian Johnson's debut album for the band.
Split into simpler sentences: Hells Bells is the first track of Australian hard rock band AC/DC's first album without Bon Scott, "Back in Black". The song represents the first song on Brian Johnson's debut album for the band.