Yet his music was sent into outer space by NASA, on a mission to introduce alien civilisations to planet Earth and the human experience.
They offer a direct line into the soul of the artist, there for anyone willing to listen.
No matter our backgrounds or experiences, these works say something that feels true to us all.
In 1977, NASA launched the Voyager 1 probe into outer space, aiming to gather data from Jupiter and Saturn.
After completing its initial mission in 1980, it began a larger adventure to explore the farthest regions of our solar system.
In 2012, it left the outer heliosphere and became the first man-made object to enter interstellar space.
For someone considered one of the Greatest bluesmen of all time, we don’t know a lot about Blind Willie Johnson. »