Complex sentence: He then oversaw a compilation album, "Now That It's Over" (October 1974), of The Masters Apprentices' later career and designed its cover, with liner notes written by Howard Lindley, a freelance journalist and film maker.
Split into simpler sentences: He then oversaw The Masters Apprentices compilation album, "Now That It's Over" (October 1974), drawing on their later career. He designed its cover, with liner notes written by Howard Lindley, a freelance journalist and film maker.