Following the release of the were a seemingly unstoppable force on the album charts in both the U.K. and the U.S. With four of their albums reaching the heights of the Top Ten in both countries, the were certainly hitting their zenith of popularity by the time the 1970 Isle of White Festival lineup was announced. Along with some of the biggest names in rock ( , ), the took the stage in front of what some historians estimate to be a crowd of over half a million -- and they recorded it. Here, probably for the first time in a legitimate sense, is the document of that in-their-prime performance, ' . Songwriter/flutist gets a bit shafted on this set-list (only his gem, "Legend of a Mind," appears), but he may have been merely the victim of an ambitious concert song selection that focused on highlighting the pastoral and psychedelic extremes of the band at the time. Ditching any references to their Merseybeat past, this set pulls exclusively from the prog-lite stuff ( through ) and highlights the exceptional Mellotron mastery of "orchestra in a box" keyboardist . ~ J. Scott McClintock