"album rock era" . . . . . . . . . . . . . . . . . . . . . "album" . . . . "Album era" . . . . "rock album format" . "public appreciation for albums" . . "Album era#The LP era: The golden age of the album" . "rock-era" . "the album format is not dead" . "Album era#2000s: Decline in the digital age, shift to pop and urban" . "album artists" . . "rock era" . . "single-album-tour cycle" . "album era" . "Album era" . "era" . . . . "album rock" . "the format is not dead" . . . . . . . .