We look back at more than half a century of mysterious artistic creation while trying to crack a unique artistic code. Why are people moved to tears when Robert “Bob” Wilson puts minimalistic petrol pumps into a production of Shakespeare’s sonnets? Why does merciless repetition change our understanding of something? Together with Tom Waits, Willem Dafoe or Marina Abramović we trace back our own experience of Bob’s art. Is it true what Philipp Glass the collaborator of the milestone piece “Einste...