Repackaged in this box are four live King Crimson concerts that were initially unleashed via the band's Collectors' Club mail-order series or as à la carte downloadable files. Granted, the primary target for anthologies such as this is not the casual enthusiast or curious listener. However, that unspoken guideline should be suspended for 2006's The Collectors' King Crimson, Vol. 10 due to the remarkable breadth of its contents. Taken chronologically, Live in Brighton is an audience-derived recording of the 1971 Islands-era band with Boz Burrell (bass, lead vocals), Robert Fripp (guitar, Mellotron), Mel Collins (saxes, flute, Mellotron), and Ian Wallace (drums, vocals). Drawing heavily upon the aforementioned Islands, they perform practically the entire platter -- sans Fripp's classically informed string arrangement "Prelude: Song of the Gulls." They throw out a few scant manifestations from earlier incarnations -- such as the raucous albeit somewhat obligatory "21st Century Schizoid Man" circa In the Court of the Crimson King, "Cirkus" from Lizard, and a particularly pungent workout of the instrumental "Groon" -- the B-side to the 45-rpm edit of the In the Wake of Poseidon entry "Cat Food." The pair of 1974 sets -- Live in Heidelberg and Live in Asbury Park -- provide two distinct facets of the Bill Bruford (percussion, drums), David Cross (violin, Mellotron, electric piano), Robert Fripp (guitar, Mellotron, electric piano), and John Wetton (bass, vocals) confab. As the gigs are less than two months apart, there is little surprise that the repertoire offers much of the same material. Heidelberg stands out for the incendiary "Dr. Diamond" -- a track that was never included on a studio project -- as well as a sublime rendition of "The Night Watch." The Asbury Park tapes might be familiar to astute Crimson heads, as it had been previously accessed, both on 1975's USA and the four-volume Great Deceiver (Live 1973-1974) compendium. While those contained edited and overdubbed segments, the most complete version available can be located here. "21st Century Schizoid Man" and the profound "Improv: Asbury Park" jam should be considered essential listening for concerned parties. Fast-forward over a quarter-century later for the four-man lineup of Adrian Belew (guitar, vocals), Robert Fripp (guitar, soundscapes), Trey Gunn (guitar, Ashbory bass), and Pat Mastelotto (electronic drumming). They were concurrently undertaking the first King Crimson tour since the dissolution of the double-trio lineup -- which also featured Bill Bruford (percussion) and Tony Levin (Chapman stick, bass, vocals). Since there wasn't much variation from night to night on the 2000 European tour, Live in Warsaw sums up the combo's sonic state of affairs with tunes spanning as far back as the '80s. Among the standouts are the acoustic "Three of a Perfect Pair," the industrial grunge of "Into the Frying Pan," and the contemplative "Larks' Tongues in Aspic, Pt. 4."