Washington Phillips is a pioneer in early gospel music, and although he only recorded 18 songs, these are still widely discussed and coveted in the
music community.
Aside from the mesmerizing beauty of Phillips recordings, the most common subject brought up in regard to his work is his instrument.
It produces the most marvelous sound and yet no one is quite sure what precisely he was playing.
For more discussion (and perhaps the solution to the mystery intrument) please check out the following articles.
The most agreed upon theory is that Phillips played an instrument of his own creation.