Complex sentence: Although it initially received mixed reviews, the album has since been acclaimed by critics and appears on "Rolling Stone" s list of "The 500 Greatest Albums of All Time" and "50 Greatest Prog Rock Albums of All Time".
Split into simpler sentences: Although it initially received mixed reviews, the album has since been acclaimed by critics. It appears on "Rolling Stone" s list of "The 500 Greatest Albums of All Time" and "50 Greatest Prog Rock Albums of All Time".