If had never recorded another album except for , their musical reputation would have been assured -- none of the participants ever participated on, or would ever work on, a better long-player. The irony was that (not to be confused with the group's earlier, British-issued , or its American counterpart, ) was only ever issued in America, and came out after the group had ceased to exist and, thus, was scarcely noticed by anybody (which made it a choice occupant of cut-out bins for decades). Recorded mostly during the spring and summer of 1966 by the lineup of , , and proved to be a glorious musical high point, as well as an end point for the band. Even as they were playing out their string, all of the members had begun growing in their musicianship, with guitarist taking on a much bolder, bluesier voice on his instrument and keyboardist developing a sound as distinctive as that of his predecessor, . Part of was cut in Los Angeles under the aegis of , who arranged (and probably played on) the opening number, a surging traditional blues song, and who also worked on the album's ominous rendition of 's is treated to a restrained vocal and superb musical acrobatics by and , while becomes the vehicle for a virtuoso workout by , and a thunderous performance by . is the most successful cover the group ever did of a Chicago blues number (unless you count their version of which is also here in all of its -inspired glory), and represents the best work that ever did with a number. ~ Thom Jurek