The Soul of a Man
is the title of another wonderful film of Wim Wenders, which explores the blues and some of its most famous artists: J.B. Lenoir, Skip James, Blind Willie Johnson.
But - above all - this film's title reminds me of one of my favourite books "The Heart of Darkness".
Today in Literature has it that "On this day in 1890, thirty-two year-old Joseph Conrad took command of a small stern-wheeler for the trip down the Congo river from Stanley Falls (now Boyoma Falls) to Leopoldville (now Kinshasa). Though Conrad was not exposed to the full horror that Marlow witnessed and felt beckon, these experiences were the genesis of Heart of Darkness, published twelve years later...." Full story, see the link above.