The last time Shania Twain released an album — the experimental country-but-not-quite opus “Up!” — it sold 874,000 copies in its first week, and went on to receive the Recording Industry Association of America’s diamond certification for 10 million copies sold, her third album in a row to reach that milestone.
That was in 2002, right around the peak of the CD age, and an era in which the pop mainstream hadn’t yet fully absorbed hip-hop. Napster had just come and gone. Barack Obama was still a state senator. Taylor Swift had just taken her first trip as a pre-teen