JIM ROONEY, GRAMMY award-winning producer of Nanci Griffith, John Prine and Iris DeMent and recipient of an Americana Music Association Lifetime Achievement Award, began his musical career at the Club 47 in Cambridge, playing with banjo master Bill Keith. Jim managed the Club from 1965-67 and, with Eric Von Schmidt, authored Baby Let Me Follow You Down the illustrated story of the Cambridge folk revival. (Wednesday 12:30 PM)