As we celebrate the life and work of Joe Cocker who reinvented so many tunes with his unique voice, The Quietus’ Julian Marszalek looks at some truly definitive takes on classics and asks – is it the singer or the song?

The boundary between pop lyricism and poetry or literature has long been a cause of debate, and never more so than in the recent decision to award Bob Dylan the Nobel Prize For Literature. The Quietus’ Luke Turner explores the frontier.