one of the lp sets was the "100 greatest recordings of all time", a collection of classical recordings selected by a panel of performers and conductors and pressed on translucent 180 gram deep red vinyl and packaged two lps to an each album. each lp was set into a plastic carrier that touched only the center spindle hole and the rim. there were two rereleases of this set. the second used ordinary paper sleeves inside a foldout compartment to house the lps. the third used a side-open box and paper sleeves. in all three sets the vinyl quality was the same.