U2 have crafted a wealth of ambitious albums over the years, but their controversial 2014 effort was once compared to The Who's 'Quadrophenia' by The Edge.

The Wall stands out as one of the most polarizing classic albums in rock music history. ... ‘The Wall,’ Pink Floyd’s Magnum Opus That Collapsed the Group. By. Jim Beviglia.

Michael Jackson won album of the year in 1984 for his magnum opus, "Thriller." That year, Jackson became the first artist ever to win eight Grammy Awards in one night.