Hectorock I

There are several variations, some with very minor differences on the artwork and labels: This release has the credits on the back cover and PSO logo on the top right corner of the back cover. Hectorock I has credits and lyrics inside the gatefold; A-side number "1" on the labels NOT in the same line as the rest of the text; and B-side heading on the label as -ROCK (with a dash). Hectorock I has credits and lyrics inside the gatefold; A-side number "1" on the labels in the same line as the rest of the text; and B-side heading on the label as -ROCK (with a dash). Hectorock I has credits and lyrics inside the gatefold; A-side number "1" on the labels in the same line as the rest of the text; and B-side heading on the label as ROCK (without a dash). Hectorock I has (P) 1975 on the labels, instead of (p) 1974, and credits inside the gatefold.