Racism is the dark undercurrent that flows through "Sonny’s Blues". It is rarely referenced directly but its pull can be felt continuously. For example, Baldwin mentions decrepit housing projects that rise out of Harlem like "rocks in the middle. The set comes with an informative essay by Harvey Pekar that invites questions as. 2]; Blue Mode [take 1]; Blue Mode [take 2]; All God’s Chillun Got Rhythm; Sonny Side; Bud’s…