ORIGINAL ALBUM CLASSICSThis three disc box set from Sony gathers up the first three long players from Peter Green era Fleetwood Mac. Released in 1968, Fleetwood Mac (often referred to as Peter Green's Fleetwood Mac) was a blues rock juggernaut that stayed on the U. K. charts for nearly 40 weeks, while that same year's Mr. Wonderful beefed up the band's already meaty sound with a full horn section. Appearing in 1969, Pious Bird of Good Omen offered up a collection of B sides