This fine blues harmonica man played and recorded with two legendary guitar pickers and singers, Blind Willie McTell and Barbecue Bob, also known as Robert Hicks. Thus, Mapp has a firm membership in the elite circle of country blues harmonica players, but those whose curiosity extends toward the morbid will be interested to know of his membership in a decidedly more peculiar category of blues artists. And to put it politely, that would be those blues artists whose careers would have gone on much longer had they not been murdered. Mapp was first heard of as a player around the ...