Does struggle lie close to the heart of the blues? Not so much loss or pain (and their antidotes) exactly. It's just that everything is a struggle. You think you get a little ahead here, then something happens to knock you back. But you persevere with the help of song or a guitar. In classical music, the musical protagonist in a symphony always emerges victorious. In blues, you just keep pushing along, fast-slow, loud-soft, over and over with the struggle that never ends. It is only passed from one musician to others.