The blues is simple music. What do they call it? Three chords and the truth? They say the same about country music and rock, but that's another article. But for much of American music, blues is the bedrock, be it rock, soul, funk, a good slice of country western, and, yes, jazz. Drummer Adam Nussbaum zeros in on the blues with the Lead Belly Project, exploring the seminal delta blues of Huddie Ledbetter (1888-1949), aka, Lead Belly.