An unprecedented project in the rock field: a five-CD box set of unreleased material by a cult artist that never had anything close to a chart hit. Of course Captain Beefheart is the ultimate cult artist, and one with a following so rabid (if limited) that the compilation has a wider audience than many would anticipate. Despite the impressive chronological span and variety of demos, live performances, backing tracks, and outtakes, be cautioned that this is not a best-of or ad hoc career overview. A good deal of the tracks (some of which have long been available on bootleg) are of slightly substandard or low fidelity, and Beefheart's most significant work is ultimately contained on his numerous official releases.