Martin Scorsese, Keith Richards, Johnny Depp and Robert De Niro are impressed by her voice.Aynur Doğan — or Aynur, as she is popularly known -  is probably one of the most famous Kurdish singers today.  Many will remember Aynur’s appearance in Fatih Akin’s 2005 Istanbul music documentary, Crossing the Bridge, in which she sings a haunting Kurdish lament in an old Istanbul hamam. ...