he seven-man band then known as Chicago Transit Authority were at the forefront of the horn-driven jazz-rock movement when they emerged in April 1969 with their self-titled double-length debut album, thanks in no small part to the knob-turning efforts of their semi-Svengali producer James William Guercio. (The band eventually had to shorten their name to Chicago because the real CTA threatened legal action.) Rightly spread out across four sides, the 76-minute , a.k.a. , has always been properly represented on double vinyl. My original 2LP 1969 Columbia set was well-worn by the time
