The end of the double album – two disc release?

The 90s had Smashing Pumpkins’ Melon Collie And The Infinite Sadness, Springsteen’s The River, the Boo Radleys’ Giant Steps, Spiritualized’s Laser Guided Melodies, the Wu-Tang Clan’s Wu-Tang Forever and Sonic Youth’s Dirty. The 80s had Sign O’ the Times, Blood and Zen Arcade. And in the 70s it seemed all major bands were contractually obliged to knock out a lumbering great double album every three years or so as Pink Floyd, ELO, Chicago, the Who