 But "Merry Guys" failed to draw large audiences to The Goodman Studio.The group continued its association with The Goodman's artistic director Greg Mosher, who cast many PTC ensemble members (and musical director Shanker) in his adaptation of "A Christmas Carol"' at the Auditorium Theater, a landmark 3,900-seat theater in downtown Chicago.The production, whose cast included Barrosse, Hall, Frank Galati, Innes and Del Close, received mixed reviews from critics.