It’s impossible to think about 25 without the massive shadow of Adele’s groundbreaking second album 21. Not only because 21 sold a staggering 31 million copies, but also because of the bitter breakup ...

Despite weeks of speculation by music industry experts, no one could have predicted that Adele’s “25,” released on Nov. 20, would, in only three days, become the fastest-selling album ever. In less ...