I miss the days when rock was just as big as pop, occasionally bigger, now its just about pop music for most people. Supertramp – Breakfast in America (20 million) Green Day – Dookie (20.5 million) Def Leppard – Hysteria (20.5 million) Boston – Boston (20.9 million) Bon Jovi – Cross Road (21 million) U2 – The Joshua Tree (25 million) Queen – Greatest Hits (25 million) Linkin Park – Hybrid Theory (27 million) Bon Jovi – Slippery When Wet (28 million) Guns n Roses – Appetite for Destruction (30 million) Pink Floyd – The Wall (30 million) Nirvana – Nevermind (30 million) Metallica – Metallica (30 million) Dire Straits – Brothers in Arms (30 million) Bruce Springsteen – Born in the U.S.A (30.5 million) The Beatles – Abbey Road (30.6 million) The Beatles – 1 (31 million) Led Zeppelin – Led Zeppelin IV (37 million) Fleetwood Mac – Rumours (40 million) The Eagles – Their Greatest Hits (1971-1975) (42 million) Meat Loaf – Bat Out of Hell (43 million) Pink Floyd – The Dark Side of the Moon (45 million) AC/DC – Back in Black (50 million) most of these releases are either 70s or 80s releases